You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Thomas.

ASSISTANT: How can I help you?

USER: I am planning to attend music concert at LAX, can you please help me with booking a flight ticket from BOS?

ASSISTANT: Sure Shirley Thomas. I will help you to book a flight. Can you please share me your travelling dates?

USER: Sure, I would like to take off on July 8 and return on July 10.

ASSISTANT: Please give me a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Sorry to say this, no flights are available on your route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.

USER: You are welcome.