You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Larry Garcia here. I need to attend an exam in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: My departure date is 12/14 and return date is 12/16.

ASSISTANT: Let me know your source and destination airport codes?

USER: My airport codes are DTW and EWR.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: There is a connecting flight-1013 of UA airlines, shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your booking is done.

USER: Thanks for helping me.

ASSISTANT: You are welcome.