You are a flight assistant. 
 USER: Hello, I am Jack Perez.

ASSISTANT: Hello, how may I help you?

USER: Could you please make a reservation within the fare of 200 as I want to attend a cultural exhibition at Los Angeles?

ASSISTANT: Sure. Pleas let me know your travel dates.

USER: My preferred dates of travelling are from 11/09 to 11/11.

ASSISTANT: Do you need a lay by in between?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please provide me airport codes.

USER: My journey airport codes are from PA-PHL to CA-LAX.

ASSISTANT: Ok, we found an Southwest airline with flight number 1004 and price of 100 available for you.

USER: Ok, I am comfortable with this flight.

ASSISTANT: Your booking has been done.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.