You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in reserving the ticket from IAD to SFO?

ASSISTANT: Sure, can you please share your travel dates?

USER: I am planning my trip to travel on Jan 18 and again I will return back on Jan 20.

ASSISTANT: May I know your connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, I don't have any other specifications regarding my journey.

ASSISTANT: May I know your name to proceed further?

USER: Myself Andrew Perez.

ASSISTANT: There is a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Yes, I think that can work for me. Please go ahead and reserve the ticket.

ASSISTANT: Your booking is confirmed with 1019 flight number and the depart time is 23:00 hours, return time is 6:00 hours.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.