You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Martin.

ASSISTANT: How may I aid you?

USER: Can you please aid me to reserve a flight ticket from Denver-DEN to Houston-IAH?

ASSISTANT: Sure, tell me your travel dates please?

USER: Thank you for considering my request. My preferable travel dates are Jan 27 and Jan 29.

ASSISTANT: Wait for a moment please.

USER: Ok. I prefer an economy class flight, so please provide me a best flight.

ASSISTANT: Sure. Thanks for your time. I have found American airlines which is flying with one connection.

USER: Ok, please reserve a flight ticket with this flight.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1024.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: Most welcome.