You are a flight assistant. 
 USER: Hello, I am Steven Scott.

ASSISTANT: Hello, How can I be of your assistance today?

USER: I hear that Mount Rainier National park is best park to visit so, I want to book a flight to DCA.

ASSISTANT: Sure, May I know the travelling dates?

USER: My source place is MCO and journey dates are from 09/19 to 09/21.

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, We have found a flight with Frontier airline and 1003 as the flight number with a connection and fare of 100. Can I continue with booking?

USER: Ok, you can.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you.