You are a flight assistant. 
 USER: Hi. I am Gregory Allen.

ASSISTANT: Hello. How can I assist you?

USER: Could you please reserve me a flight ticket from Detroit, MI - DTW to reach Austin, TX - AUS?

ASSISTANT: Could you provide me your travel dates?

USER: My trip dates are 05/11 - 05/13.

ASSISTANT:  Do you have any preference?

USER: I can afford up to 200 only.

ASSISTANT: We found a connecting flight UA with flight number 1024 and fare is 100.

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.