You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to change my recent reservation.

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: John Taylor.

ASSISTANT: We found your reservation, can you please share your airport codes?

USER: My airport codes are IAH and MCO.

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are 10/28 and 10/30.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked with the flight-1021.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.