You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to change my reservation, can you help me?

ASSISTANT: Sure, we are pleased to serve you. May I know your good name please?

USER: I am Virginia Baker.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation in your name. Can you share me your new journey dates?

USER: My travel dates are Jan 20 and 22.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are from IAD to SFO.

ASSISTANT: Do you need any lay by in your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There is a connecting flight with fare of 100 and 1010 flight number. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your seat has been reserved with Frontier airlines in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.