You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking to change the travel dates in previous reservation, can you please help me to do that?

ASSISTANT: Sure, I will help you. Please, share me your name to check your reservation status.

USER: I am happy for your response. My name is Stephen Hall.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I can wait for your reply.

ASSISTANT: We have found an active reservation on your name. Please, share me your airport codes.

USER: That's great, the source and destination airport codes are LAX and DCA.

ASSISTANT: Let me know your travelling dates for the trip.

USER: The preferable journey dates are Nov 8th and Nov 10th.

ASSISTANT: Do you have any specifications for the journey?

USER: I prefer an economy class flight.

ASSISTANT: May I know about your connection limit?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Ok, please wait.

USER: Ok, take your own time.

ASSISTANT: Frontier airlines is providing you the connecting flight, shall I reserve it?

USER: Yes, I am fine with that airlines. Please go ahead with the ticket booking.

ASSISTANT: Your ticket has been reserved with flight 1000.

USER: Thanks a lot for guiding me in changing the details.

ASSISTANT: My pleasure.