You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: Myself Robert Miller from Seattle. I want to go to Houston next week for my film shooting purpose so can you please book a flight ticket from SEA to IAH?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: Thank you, I want to take off on 12/27 and please confirm my return ticket also on 12/29.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you need a lay by?

USER: Yes.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Frontier airline with flight number 1009 is going on your way and the fare is 100. Is that fine?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.