You are a flight assistant. 
 USER: Hello, I am Samuel Baker.

ASSISTANT: Hello, how may I help you?

USER: I need to schedule my trip on dates from May 23rd to 25th. Can you book me a plane ticket?

ASSISTANT: Sure, can I know your source and destination airport codes?

USER: My origin is DEN and destination is IAH.

ASSISTANT: We found a flight from Frontier airline with 1 connection and the fare is 200 with an economy class.Shall I proceed?

USER: Fine, proceed with it.

ASSISTANT: Your ticket is booked with 1029 flight number.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.