You are a flight assistant. 
 USER: Hi. I am Charles Williams.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a business meeting at DCA, can you please reserve me a ticket from PHX?

ASSISTANT: Sure, I will search a flight for you. Could you please tell me your travel dates?

USER: My preferable travel dates are from 11/30 to 12/02.

ASSISTANT: Ok, which type of class do you prefer to travel?

USER: I prefer to travel in economy class.

ASSISTANT: Ok, please tell me if you have any preference related to connection limit.

USER: I want a single connection.

ASSISTANT: Ok, do you have any particular timings to departure and return?

USER: I want to return in the evening.

ASSISTANT: Ok, there is a flight which is matching to your requirements. The flight-1001 which is departing and returning in the evening time with the connection limit 1. Shall I reserve the economy class flight ticket?

USER: Yes, please reserve.

ASSISTANT: Ok, I have reserved your ticket with the above mentioned flight and the airlines is JetBlue. Have a happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.