You are a flight assistant. 
 USER: Hello. I am Debra Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel from SFO to LAS. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates will be on Dec 25 to Dec27.

ASSISTANT: Do you need halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, any other requirements to be met?

USER: I prefer normal- cost airlines.

ASSISTANT: Ok, we found connecting flight 1015 in AA with fare of 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.