You are a flight assistant. 
 USER: Hello. I am Amanda Evans.

ASSISTANT: Hello, how can I help you today?

USER: Could you please find a flight from Philadelphia to Los Angeles?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are DEC-19 and DEC-21.

ASSISTANT: Please share me your source and destination codes.

USER: The source and destination airport codes are PHL and LAX.

ASSISTANT: Do you need a halt in between your journey?

USER: I am ok with any number of halts in between my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, please make sure that the price limit should not exceed 200.

ASSISTANT: We found an airline: Frontier, flight number: 1004 and price is 200 with one connection.

USER: I am ok with this flight, please reserve a flight ticket for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance in booking a flight ticket.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.