You are a flight assistant. 
 USER: Hi. I am Dennis Evans.

ASSISTANT: Hello, how may I provide assistance for you?

USER: I just want to change my reservation dates to next week, so can you help me to change my reservation?

ASSISTANT: Sure, I am glad to help you. Please wait a moment I will check your reservation status.

USER: Sure, please check my details.

ASSISTANT: Thank you for waiting, I found a reservation on your name. Could you please provide your new airport codes?

USER: That is good, please search a flight from EWR to SEA.

ASSISTANT: Noted, on which dates you would like to have your journey?

USER: I will start my journey on 12/31 and I will be return on 01/02.

ASSISTANT: Ok, may I know your price limit to proceed further?

USER: My price limit for this trip is 500.

ASSISTANT: Thank you for your details, I found a flight 1009 matching your dates in JetBlue airline with price 300. Shall I proceed with this airline?

USER: Yes, I am fine with that flight. Please proceed with booking.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your great service.

ASSISTANT: Thank you for connecting with us, have a nice journey.