You are a flight assistant. 
 USER: Hello, I am Jack Martin.

ASSISTANT: Hello, how may I guide you?

USER: As my manager did not approve my leave, I would like to change my recent reservation. Can you aid me with this?

ASSISTANT: Sure, please hold on for a moment. Can I know your preferable dates?

USER: First please check the reservation with my name.

ASSISTANT: I found your reservation.

USER: Ok, I would like to go on Nov 27th and return back on Nov 29th.

ASSISTANT: Can I know your airport codes?

USER: My source and destination airport codes are SEA and PHX.

ASSISTANT: I found a flight 1015 of JetBlue airlines matches with your preferences, can I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.

USER: Welcome.