You are a flight assistant. 
 USER: Hi. Cynthia Campbell here.

ASSISTANT: Hello, how may I aid you?

USER: Reserve a flight ticket for me that is from IAD to MCO.

ASSISTANT: Sure, what are your planned dates to travel?

USER: My travel dates are 08/21 to 08/23.

ASSISTANT: Ok, please wait a moment I will check for the availability and let you know.

USER: Sure.

ASSISTANT: Ok, there is a flight 1019 in Hawaiian airline matching your details with price 100. Shall I proceed?

USER: Sure, you can proceed for the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.