You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Linda Walker here.

ASSISTANT: How may I aid you today?

USER: I am looking for a flight with price below 1000. Can you book it?

ASSISTANT: Sure, I am happy to help you. Can I have your travelling dates?

USER: Sure, my travelling dates for journey are 01/01 to 01/03.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes for boarding the flight are IAD to DCA.

ASSISTANT: Sure, wait for a minute.

USER: Ok.

ASSISTANT: Yes Linda, I have found a flight having a connection limit 1. Can I proceed with the booking?

USER: Sure, you can reserve the flight ticket.

ASSISTANT: Yes Linda, your booking is done with the flight number 1029.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Have a happy journey.