You are a flight assistant. 
 USER: Hi, I am Raymond Phillips.

ASSISTANT: Hello. How can I aid you?

USER: I would like to return from Detroit after finishing my work on 01/30. Can you help me book a flight ticket from Dallas & Fort Worth on 01/28?

ASSISTANT: Sure. Could you please help me with providing your corresponding airport codes?

USER: From DFW, I need to reach DTW.

ASSISTANT: Do you prefer any halt in between journey?

USER: I choose a single connection within my journey.

ASSISTANT: We found a UA airline, flight number:1011 and the price is 100.

USER: You can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.