You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from PHX to LAX?

ASSISTANT: May I know our travel dates?

USER: My travel dates Feb, 11 and Feb, 13.

ASSISTANT: Do you prefer connecting flight?

USER: I need connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I need to travel in economy class.

ASSISTANT: May I know your good name?

USER: Sarah Green here.

ASSISTANT: We found a flight in an economy class with 1 connection in United airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for reaching us.