You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to have a round trip from Houston. Can you please book me a ticket from IAH to IAH?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My preferable journey dates are from Jan 26 to Jan 28.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Flight 1002 in AA airlines is available for you with 1 stopover and it costs you 100. Can I proceed?

USER: Please book my ticket with this airlines.

ASSISTANT: Your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us, have a safe flight. May I know your name?

USER: My name is Amy Johnson.

ASSISTANT: Thank you.