You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: As I am a Doctor, I have a plan to conduct a free medical camp to serve people in New York. Can you help me to book a flight ticket to NY - LGA?

ASSISTANT: Sure, Can I get your name?

USER: Sure, my name is Scott Thomas.

ASSISTANT: May I know the source code?

USER: Sure, my source is Boston, MA - BOS.

ASSISTANT: Please help me with your trip dates.

USER: Ok, I planned to travel on 08/31 to 09/02.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thanks for your kind service.