You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name please?

USER: My name is Paul Wilson.

ASSISTANT: How may I assist you now?

USER: Due to sudden change in my trip to another location, I would like to change my existing reservation. Can you please help me out?

ASSISTANT: Sure, I will help you out in this.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the reservation list and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: We are happy to say that, found a reservation in your name. Can I have your trip dates?

USER: My new travelling dates will be 06/14 - 06/16.

ASSISTANT: Help me with the source and destinations codes?

USER: I will depart from CA - SFO and reach to GA - ATL.

ASSISTANT: We have found a JetBlue airline of 1010 flight number with one connection of cost 100.

USER: Ok, confirm my flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your best service.

ASSISTANT: Thank you for opting our service.