You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Thompson.

ASSISTANT: William Thompson, how may I help you?

USER: I need to attend a business meeting at PHX, can you please assist me in booking a flight ticket from IAH?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to start on Dec 10 and need to return on Dec 12.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Delta airlines with flight 1005 is providing service with a connecting flight.

USER: You can move forward with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.