You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello.

ASSISTANT: How may I help you?

USER: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?

ASSISTANT: May I know your name?

USER: Myself Emily Clark.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Happy to inform you, we have found your reservation. Please provide me your new airport codes.

USER: My new airport codes are from SFO to PHX.

ASSISTANT: May I know your trip dates?

USER: My trip dates are from 02/14 to 02/16.

ASSISTANT: Do you have any other requirement?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in AA airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed my booking with the name Emily Clark.

ASSISTANT: Your ticket is booked in 1009 flight.

USER: Thank you for your help.

ASSISTANT: Most welcome.