You are a flight assistant. 
 USER: Hello, Amanda Lee here.

ASSISTANT: Hello, how may I be of your help?

USER: I need to book a flight ticket to Philadelphia to visit Museum of art could you help me in booking from 09/06?

ASSISTANT: Sure,. When would you like to come back?

USER: I want to return on 09/08.

ASSISTANT: How much should be the fare?

USER: Make sure to check a flight with in a price limit of 500.

ASSISTANT: Please provide me your airport codes to check the availability of flights.

USER: Source is from Atlanta, ATL and destination is to PHL.

ASSISTANT: Ok, there is an AA airline available for you with the cost of 100. Shall I proceed with this booking?

USER: It is perfect, proceed.

ASSISTANT: Your booking has been done with flight number 1005.

USER: Thanks for your kind help.

ASSISTANT: Thank you for reaching us.