You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a Seminar in Dallas. Can you please help me for booking the flight ticket?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates are Oct 19 and Oct 21.

ASSISTANT: Can I know your nearest airport codes?

USER: My airport codes are LAX and DFW.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Can I know your name for booking?

USER: My name is Amanda Phillips.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.