You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Can you please help me in booking a flight ticket from LAS to DCA?

ASSISTANT: Can you please forward your journey dates?

USER: I want to fly on May 05 and return on May 07.

ASSISTANT: Do you need any specifications in connection?

USER: I need a single connection.

ASSISTANT: Do you like to go with economy or business class?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Myself Thomas Brown.

ASSISTANT: Any other specifications do you have?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Frontier Airlines is providing service on your route with connecting flight and the cost is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight is booked where departure LAS 6:00 hours May 05 arrival DCA 10:00 hours May 07.

USER: Thank you.

ASSISTANT: Thanks for opting us.