You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Nancy Green here. I want to reserve my ticket from IAD to LAX, can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you. May I know your dates of journey that you have planned for?

USER: Sure, my preferable dates of journey is from 04/14 to 04/16.

ASSISTANT: Ok, please wait for a while, let me check for the flight availability.

USER: Please make sure that the price limit is 200. Sure.

ASSISTANT: There is a flight from Spirit airlines and fare is 200 with 1 connection, can I proceed with booking?

USER: Ok, you can book it.

ASSISTANT: Your ticket is confirmed with flight number 1003.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for reaching us.