You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please make a reservation between DCA and DTW for my business trip?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My departure is on Dec 23 and please book my return ticket on Dec 25.

ASSISTANT: May I know your name?

USER: sure, my name is Andrew Hill.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found American airlines with connecting flight and number 1024 fare of 100, Shall I proceed for booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for approaching us.