You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from DCA to SEA.

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are form July 30 - Aug 01.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Melissa Collins.

ASSISTANT: Do you have any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I need to travel in economy class.

ASSISTANT: There is a flight with one connection and the price is 100 in Frontier Airlines, can I proceed with the reservation?

USER: Yes, please proceed.

ASSISTANT:  Your ticket has been reserved with the flight number 1014.

USER: Thank you..

ASSISTANT: Thank you for reaching our service.