You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from PHX to SFO. Can you help me to book a flight ticket?

ASSISTANT: Sure, I can do that for you. Could you please help me with your trip dates?

USER: I want to fly in the flight on Sept 09 and Sept 11.

ASSISTANT: Ok, please let me know your specifications.

USER: I prefer normal-cost airline.

ASSISTANT: Ok, may I know your name?

USER: I am Karen Wilson.

ASSISTANT: Karen Wilson, please be on hold for a moment.

USER: I want to have a connection of 1.

ASSISTANT: Direct flight is available with Delta airlines and the ticket fare is 100 only in economy class. Can I book the ticket for you?

USER: Book the ticket for me.

ASSISTANT: Your ticket is booked with the flight-1002. Have a nice day.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.