Islamabad: Offering to work closely with Prime Minister Manmohan Singh to build friendly relations between the two neighbours, Pakistan's new Premier Shaukat Aziz said he attached great importance to the ongoing composite dialogue process with India and committed to make it "more substantive and purposeful".

Responding to Singh's message felicitating him on his assumption of office, Aziz said he was looking forward to working with his Indian counterpart closely to build friendly and cooperative relations between the two countries.

"Excellency, I wish to thank you for your letter of felicitations on my assuming the office of the Prime Minister of Pakistan," Aziz said.

"I reciprocate your kind sentiments and look forward to working with you closely to build friendly and cooperative relations between our two countries.

"In this context, we attach great importance to the ongoing composite dialogue process for the resolution of all outstanding issues including Jammu and Kashmir, We are sincerely committed to making this process more substantive and purposeful," Aziz said.