You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hi.

ASSISTANT: How can I assist you?

USER: I want to book a ticket to meet my friend, will you help me on that?

ASSISTANT: Sure, can I know your airport codes?

USER: Sure, my airport codes are LAX to OAK.

ASSISTANT: Can I know your travel dates?

USER: I would like to travel on 04/20 to 04/22.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: The flight 1016 of Spirit airlines is available on your requested dates. Shall I book the ticket?

USER: Make sure connection limit should be 1.

ASSISTANT: Yes, the flight is with 1 connection.

USER: Proceed, may I know the price limit?

ASSISTANT: The price is 300.

USER: I need a flight with price limit 200, will you check for that?

ASSISTANT: Sorry, there are no flights available with the price 200.

USER: It's ok, thank you for your information.

ASSISTANT: Welcome. Can I know your name?

USER: Michelle Walker here.

ASSISTANT: Thank you.