You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am Christine Allen, can you help me booking flight from IAH to DEN?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are 04/16 and 04/18.

ASSISTANT: Thanks for waiting. I have found UA airlines which flies with one connection.

USER: Oh! That's really great, proceed to booking.

ASSISTANT: Sure, your flight ticket has been confirmed now with flight number 1003.

USER: Thank you for confirming my flight ticket in UA airline.

ASSISTANT: Thanks for reaching to us.