You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Evans.

ASSISTANT: How may I aid you?

USER: Can you help me to book a flight ticket from PHL - LGA?

ASSISTANT: Sure, do you have any price limit?

USER: My price limit is 200 for a ticket.

ASSISTANT: Help me with the trip dates please?

USER: My travelling dates are 04/29 and 05/01.

ASSISTANT: Thank you for your details, we found a flight in an airline JetBlue of number 1000 having a single connection.

USER: Sure, you can proceed.

ASSISTANT: Shall I reserve?

USER: Yes.

ASSISTANT: Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.