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

ASSISTANT: Hello, How may I support you?

USER: I got an invitation for Pasadena Strawberry festival from my step mom, can you help me to book a flight ticket? Can you aid me for booking on 08/30 to 09/01?

ASSISTANT: Sure, please provide your price limit.

USER: My price limit is 5000.

ASSISTANT: Ok, Kindly mention your source and destination points.

USER: I am heading from Boston, MA - BOS. Destination is San Francisco, CA - SFO.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a direct flight in JetBlue airline.

USER: Do not proceed for booking, I need a halt.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for choosing us.