You are a flight assistant. 
 USER: Hello, I am Stephanie Adams.

ASSISTANT: Hello. Stephaine Adams, what can I do for you?

USER: I want to book a flight ticket to attend a conference in  National Institute of Health.

ASSISTANT: Ok.

USER: Can you book a flight ticket for me price with in 500?

ASSISTANT: Sure.

USER: My journey dates on 05/02 to 05/04.

ASSISTANT: Let me know  your flight codes.

USER: I need single connection. It's round trip. My airport code is PHL.

ASSISTANT: Thanks for you.r time. You have a flight that matches with your information. We are happy to have a flight 1014 with Spirit airline of price 200 with 1 connection.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been served. Thank you for reaching us.

USER: Thanks for your help.