You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy Martin here.

ASSISTANT: How can I assist you at this moment?

USER: Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?

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

USER: Ok, I will wait.

ASSISTANT: Yes, I have found your reservation so please help me with your travel dates.

USER: My departure date is 01/27 and return date is 01/29.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are from PHX to AUS.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Yes, there is a flight in Frontier airlines with connection 1 and price 100, is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Timothy Martin, I have confirmed a ticket with flight number 1012.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.