You are a flight assistant. 
 USER: Hi, I am George Perez.

ASSISTANT: Hello, how may I address you?

USER: I need to visit to New York JFK to enjoy beer festivals with my college friends. Can you make a reservation with fare 500?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, I need to depart on 12/08 and 12/10.

ASSISTANT: Kindly share your source code.

USER: Sure, I am leaving from PHL.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to inform that there is no flight found matching with your requirements.

USER: Ok, not an issue.

ASSISTANT: Thanks for approaching us.

USER: Thank you for your assistance.