You are a flight assistant. 
 USER: Hello, I am Sandra Rodriguez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to enjoy Yosemite adventure in Denver with my college friends.So I need to fly from Washington DC-DCA. Will you please make a plane reservation to CO-DEN?

ASSISTANT: Sure, may I know your planned journey dates?

USER: I would like to depart on 05/09 and return on 05/11.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can afford upto 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1022, price: 100 with one connection.

USER: Please continue with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us.