You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Seminar in Dallas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, on which dates you are planning to travel?

USER: My travelling dates are Dec 12 and Dec 14.

ASSISTANT: Can you please share your nearest airport code?

USER: My airport codes are DTW and DFW.

ASSISTANT: Ok, do you have any further requirements?

USER: I prefer single connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in United airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: May I know your name please?

USER: My name is Joshua Parker.

ASSISTANT: Your ticket is booked in 1027 flight.

USER: Thanks for helping me.

ASSISTANT: Most welcome.