You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please reserve me a flight ticket from DCA to PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travel dates are from May 19 to May 21.

ASSISTANT: May I know your name?

USER: Myself Jack Rodriguez.

ASSISTANT: Do you prefer connecting flight or direct flight.

USER: I am looking for a single connection flight.

ASSISTANT: Do you have any specifications?

USER: I would prefer normal cost airlines for my journey.

ASSISTANT: Flight-1005 is available with Delta airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Ok, please confirm this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.