You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Daniel Williams. Can you book a flight ticket from IAH to MSP?

ASSISTANT: Please share me your trip dates.

USER: My travel dates are Oct, 23 and Oct, 25.

ASSISTANT: Do you need economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please hold for a while.

USER: Sure.

ASSISTANT: We found a Frontier airline and 1000 is flight number with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a great day.