You are a flight assistant. 
 USER: Hello, Angela Jones here.

ASSISTANT: Hello. How can I assist you today?

USER: I want to visit DCA for my holiday trip, can you help me with booking a flight from IAD?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates will be from 12/29 to 12/31.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please check within the price of 200.

ASSISTANT: Angela, there is a flight available with price 100 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: Ok, you can proceed with booking.

ASSISTANT: Your booking is confirmed with 1023 flight number.

USER: Thank you for helping me with booking reservation.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.