You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to change my reservation as I am leaving for hometown, can you please help me out?

ASSISTANT: Sure, can I know your name?

USER: Please check the reservation on the name Janet Taylor.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: We found your reservation. Can I know your travelling dates?

USER: I am travelling on these dates April 18th and 20th.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: I would like to fly from airport codes OAK to PHX.

ASSISTANT: Do you have any connection limit?

USER: I prefer to take single connected flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: We found Delta airline with price 100 and economy class and airline number is 1009 with arrival time is 15 PM and departure time is 01 AM, Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.