You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Rebecca Parker.

ASSISTANT: How can I aid you today?

USER: I am planning to attend a parents meeting at PA-PHL, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, do you have any price limit?

USER: Price limit should not exceed 5000.

ASSISTANT: Kindly, provide me your planned dates of travelling?

USER: I would like to travel on 08/01 to return on 08/03.

ASSISTANT: Help me with the source code please.

USER: Source point is CA-OAK.

ASSISTANT: Thank you for the details, please wait a while.

USER: Sure.

ASSISTANT: Thank you for your time, I found a flight in an airline Spirit with the number 1015. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.