You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Please help me to book a flight ticket from HOU to DTW.

ASSISTANT: Sure, please share me your trip dates.

USER: Aug, 18 and Aug, 20 are my trip dates.

ASSISTANT:  Can I know your good name please?

USER: Steven Carter here.

ASSISTANT:  Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: We found a Frontier airline and 1003 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 opting us.