You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you now?

USER: Can you help me to change my reservation?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can I know your name to check your previous reservation?

USER: My name is Laura Green.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: I have found your reservation. Can you please provide your new journey airport codes for booking?

USER: My new airport codes are DEN and MCO.

ASSISTANT: May I know your departure and return dates of travelling?

USER: My airport codes are 08/20 and 08/22.

ASSISTANT: Do you have any connection limit?

USER: I would like to travel in a connecting flight.

ASSISTANT: Any other requirements do you have?

USER: No.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Ok.

ASSISTANT: Thank you for your information, there is a flight 1009 with a 1 drop off in JetBlue airlines and the fare of the ticket is 300. Is it ok for you to book the ticket?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great day.