You are a flight assistant. 
 USER: Hello,. I am Thomas Taylor.

ASSISTANT: Hello, how may I serve you today?

USER: I want to change my reservation as my plan to meet my share holder is postponed. Can you help me with that?

ASSISTANT: Sure, I will help you with it.

USER: Thank you.

ASSISTANT: Please wait while I look for your current reservation.

USER: Sure.

ASSISTANT: We have found your reservation, please share your new boarding and landing point.

USER:  I need to leave from my nearest airport JFK to reach SEA.

ASSISTANT: May I know when are you planning your meeting with your stake holders?

USER: I want to travel on 07/23, and need to catch return flight on 07/25.

ASSISTANT: Do you have any other preferences?

USER:  Make sure to check a flight with in a price limit of 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We have a connecting flight form Spirit airline, number 1011 and it is costing 200. Shall I confirm this flight for you?

USER: Proceed with the booking.

ASSISTANT: Your ticket is reserved in economy class. The depart time is in the evening and the return time is in the morning.

USER: Thanks for the information and service.

ASSISTANT: Thank you, have a nice day.