You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am David Edwards, I want to modify my reservation as my schedule got postponed.

ASSISTANT: Ok, I will check your ticket status.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: I am happy to tell you, I have found your ticket. Can you please tell me your travel dates?

USER: Yes, my travel dates are 06/07 and 06/09.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: Yes, I prefer to start my journey from LAX to PHX.

ASSISTANT: Ok, I have found a flight with connection limit 1 and the price is 100 in the airlines UA. Can I proceed with ticket booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is reserved with the flight number 1000.

USER: Thank you for booking my flight ticket with flight 1000.

ASSISTANT: You are welcome.