You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Carter.

ASSISTANT: How can I assist you?

USER: I need to attend a cultural festival in Orlando so please help me with flight ticket booking from Washington.

ASSISTANT: Sure Carter, can I know the travel dates please?

USER: Thank you. I need to travel on dates of 01/04 and 01/06.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, I would like to travel from IAD to MCO as these are very much near to my travelling locations.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time to check.

ASSISTANT: There is a flight in Southwest airline with price 100, can I book it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.