You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: As I am a doctor, I want to conduct a free Medical camp at Los Angeles, LAX. Can you please book a ticket from IAH?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My scheduled dates are Aug 18 and Aug 20.

ASSISTANT: Do you need any stop over in between journey?

USER: I want single connected flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: Ok, I am Timothy Wilson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.