You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Katherine Brown. I want to do my MS at Philadelphia.I want to book a ticket.

ASSISTANT: Sure, help me with your journey dates.

USER: My travelling dates are from 01/27 to 01/29.

ASSISTANT: Can you provide your airport codes please?

USER: My source is ORD and destination is PHL.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: There is a flight 1024 of Spirit airlines available for your provided dates.

USER: Make sure with 0 connection.

ASSISTANT: Sorry to say, there is no flights available with 0 connection limit.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you.