You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to visit the Boston Public Garden at Boston, could you please help me in booking a flight ticket from Philadelphia?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 05/04 and return on 05/06.

ASSISTANT: Kindly share your journey code.

USER: My airport codes are PA - PHL, MA - BOS.

ASSISTANT: Let me know your travelling dates.

USER: Already I mentioned above.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Can I know your good name?

USER: I am Eric Green.

ASSISTANT: There is a flight found with number 1015 and AA as airline. The cost of the ticket is 100.

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.