Hi, I am Catherine Parker.
user
Hello. How can I aid you?
assistant
I want to book a flight ticket on 12/15 and return on 12/17, can you help me with booking?
user
Sure, I will help you. Please share me your airport codes,.
assistant
Sure, my airport codes are TX-IAH and DC-IAD.
user
Do you need any connecting flight?
assistant
Yes, I need a connecting flight.
user
We found a AA airline, flight number:1003 and the price is 100. Can I reserve it?
assistant
   Yes, please.
user
Your flight ticket has been confirmed.
assistant
Thank you.
user
Thank you for choosing us.
assistant