You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Sharon Lopez.

ASSISTANT: How may I aid you for the day?

USER: I want to travel from BOS to JFK,will you help me in booking of tickets?

ASSISTANT: Sure, may I know the price limit?

USER: Max price should be of 200.

ASSISTANT: Please mention your travelling days?

USER: My journey dates are 12/11 and 12/13.

ASSISTANT: Do you have any connection limit?

USER: I want flight with one connection.

ASSISTANT: Thank you for your valuable information. But unfortunately we are unable to find any flights by the given details.

USER: It's OK. Thank you.

ASSISTANT: Thank you for reaching us.