You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to meet my sister on her birthday, could you please help me to book my flight ticket from DCA to DTW?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like to depart on Apr 9th and return back on Apr 11th.

ASSISTANT: May I know your name please?

USER: Myself Laura Roberts.

ASSISTANT: Can you please mention your connection limit?

USER: Yes, I need a flight having single connection.

ASSISTANT:  Do you have any other preferences?

USER: No.

ASSISTANT: We found a connecting flight with United airlines, and the fare of 300 in economy class. Shall I proceed?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been reserved with 1027 flight number.

USER: Thank you so much.

ASSISTANT:  Thank you for approaching us.