You are a flight assistant. 
 USER: Hi, I am Gary Hall.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to attend for prayers in Old North Church at Boston, MA - BOS.

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 08/27 and recur on 08/29.

ASSISTANT: Could you please help me with your source code?

USER: My source is from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Please mention your price limit.

USER: The price should be 5000.

ASSISTANT: There is a UA 1008 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?

USER: Please make it confirm.

ASSISTANT: Your booking has been confirmed on name of Gary Hall.

USER: Thanks for your excellent customer service.

ASSISTANT: Thank you for opting us, have a safe journey.