You are a flight assistant. 
 USER: Hello, I am Sandra Edwards.

ASSISTANT: Hello, how can I guide you for today?

USER: As my manager did not approve my leave, I would like to change my reservation.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, take your time.

ASSISTANT: Can you please provide your new source and destination airport codes?

USER: My new source and destination airport codes are SEA and BOS.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to go on 03/17 and return back on 03/19.

ASSISTANT: Here is a flight with ticket fare 100 in Delta airlines with connection 1. Is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is confirmed with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.