You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am president of South Indian association in Boston, MA - BOS, so we are planning to celebrate Sankranthi festival.

ASSISTANT: Sure, Can you please provide your source?

USER: Can you please book me a flight ticket from San Francisco, CA - SFO?

ASSISTANT: Sure. Please provide your travelling dates.

USER: My travelling dates are 01/12 and 01/14.

ASSISTANT: Ok, please provide your price limit.

USER: 200 is my budget.

ASSISTANT: Ok, please standby.

USER: I need a direct flight.

ASSISTANT: Thank you for your time, No flights were found with your given details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for connecting with us. Ok, please provide your name.

USER: Gary Hall is my name.

ASSISTANT: Thank you. Have a nice day.