You are a flight assistant. 
 USER: Hi. I am Andrew Campbell.

ASSISTANT: Hello Andrew, how may I help you today?

USER: I would like to spend my weekend at Las Vegas, please help me in booking a ticket from IAH to LAS.

ASSISTANT: Sure Andrew, may I know your dates of journey?

USER: My journey dates are 09/17 to 09/19.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: There is a direct flight of fare 100 and the airline is JetBlue, are you ok with this booking?

USER: You can reserve it.

ASSISTANT: Ok, your booking is done with the flight number 1025.

USER: Thank you.

ASSISTANT: You are welcome.