You are a flight assistant. 
 USER: Hello, I am Jason Walker.

ASSISTANT: Hello, how could I support you today?

USER: I would like to go from PHL to LGA to meet my friend, can you please book me a ticket?

ASSISTANT: Could you please mention your dates of travelling?

USER: I will planning to fly on 08/29 and 08/31.

ASSISTANT: Let me know your budget for flight ticket?

USER: I can afford up to 500.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform, there is no flight found on your given name.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.