You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Edward Walker here. I want to travel from IAH to LAS to meet my cousin in Las Vegas, can you please reserve a flight ticket on those locations?

ASSISTANT:  If you provide your planned departure and return dates of travelling then it is easy to find a exact flight for you.

USER: Sure, I will provide it. My departure is on Jan 16 and please book my return ticket also on Jan 18.

ASSISTANT: There is a connecting flight-1002 with price 100, shall I confirm it?

USER: I am ok with this, you can proceed with booking now.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for your great assistance.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Welcome.