You are a flight assistant. 
 USER: Hello,. I am Patrick Wilson.

ASSISTANT: Hello, how may I abet you?

USER: Owing to an emergency, I need to travel to Boston, MA-BOS, can you please help me in reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share me your trip dates?

USER: I want to leave on 08/17 and I intend to return on 08/19.

ASSISTANT:  Do you need a flag stop within your journey?

USER: Yes, I need.

ASSISTANT: May I know where are you heading from?

USER: I want to head from LAX.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thanks for being with patience. There is a direct flight which does not matches your requirement.

USER: Ok, do not proceed. Thanks for the information.

ASSISTANT: Thank you for opting us, have a blissful day!.