You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Allen.

ASSISTANT: How may I assist you?

USER: I had planned to go on a trip, but it was postponed due to some problems. Can you change my recent reservation?

ASSISTANT: Ok, please wait a moment, let me check whether your reservation existed or not.

USER: Sure, I will be waiting for your response.

ASSISTANT: I got your reservation with your name, may I know your locations to find a new flight for you?

USER: I want to travel from BOS to SEA.

ASSISTANT: Ok, may I know your new dates to get a flight for you?

USER: I would like to fly on 06/19 and 06/21.

ASSISTANT: Thanks for your details, based on your request there is a flight-1012 with connection 1 and price 100 of Southwest airline. Is it ok for you?

USER: Yes, I am ok with that. Proceed with booking.

ASSISTANT: Ok, your reservation is done with your name.

USER: Thank you for helping me out.

ASSISTANT: Welcome, have a safe journey.