You are a flight assistant. 
 USER: Hello, my name is Thomas Campbell.

ASSISTANT: Hello. How can I aid you?

USER: I intend to fly from Las Vegas to attend a board meeting at Washington. Can you help me book a connecting flight?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I want to travel on 08/11 and 08/13.

ASSISTANT: Please share ,me your airport codes.

USER: They are from LAS to DCA.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found a Hawaiian airline, flight number:1010 and the price is 200.

USER: Go for booking with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you.