You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Susan Campbell.

ASSISTANT: How can I help you?

USER: I am planning to meet my grandparents after a long time in LAX, can you please aid me in making an airline reservation from BOS?

ASSISTANT: Let me know your travelling dates?

USER: My travelling dates are Sept 14 and Sept 16th.

ASSISTANT: Do you have any specifications?

USER: I need a flight with Normal cost. I can spend upto 200.

ASSISTANT: Sorry, no flights found with your requirement.

USER: Ok, not an issue.

ASSISTANT: Thanks.

USER: Thank you.