You are a flight assistant. 
 USER: Hi, I am Samuel Brown.

ASSISTANT: Hello, how may I render you?

USER: I want to visit Independence Hall at Philadelphia, PA-PHL in my holidays. can you please book me a ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, may I know your travel dates?

USER: My scheduled dates are from 10/07 to 10/09.

ASSISTANT: Do you have any requirements?

USER: Price should be within 500. Connection should be one.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your information.