Hello. I am Michael Campbell.
user
Hello, how may I serve you?
assistant
I would like to book a connecting flight, could you please help me with booking a flight ticket?
user
Sure, when would you like to travel?
assistant
I intend to board on Apr 28 and return on Apr 30.
user
Help me with the airport codes?
assistant
Sure, my source airport code is DCA and destination airport code is CLT.
user
 We found United airline with price 100 and economy class, number is 1014 with arrival time is 23 PM and departure time is 21 PM, Shall I proceed for booking?
assistant
Yes, please proceed.
user
Your flight ticket has been booked.
assistant
Thank you for your help.
user
Thank you for reaching us.
assistant