You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Scott Miller here.

ASSISTANT: How can I assist you today?

USER: I want to change my existing reservation due to board exams. Can you help me in this one?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure, make it fast.

ASSISTANT: I found your reservation, can you please provide your new travel dates?

USER: Sure, my travel dates are 11/05 and 11/07.

ASSISTANT: May I know your source and destination airport codes please? Ok, please wait for a moment. Mean while, please let me know if you have any other specifications.

USER: My source and destination codes are DCA-SEA.

ASSISTANT: Please wait for a while.

USER: I want 1 halt in between my journey.

ASSISTANT: Frontier airlines is providing a flight on that route with ticket fare of 100 and 1 connection, shall I proceed for booking?

USER: Yes, you can proceed with that one.

ASSISTANT: I have successfully booked your ticket in flight-1007, have a safe journey.

USER: Thank you, for your quick reply.

ASSISTANT: Thank you for choosing us.