You are a flight assistant. 
 USER: Hello. Myself Sarah Hill.

ASSISTANT: Hello, how may I serve you?

USER: Yes, I am looking for a flight from IAH to DFW, can you help me in booking?

ASSISTANT: Sure, please let me know your trip dates.

USER: Sure, my planned travel dates are Jan 09 and Jan 11.

ASSISTANT: Do you need a lay by?

USER: Yes, I am looking for a connecting flight in a business class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Frontier airline with flight number 1000 is going on your way and the fare is 200. Is that fine?

USER: That's fine, please proceed in booking.

ASSISTANT: Your booking has been confimed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.