You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book me a flight ticket from SFO to PHL?

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

USER: I am planning to start on July 22nd and return on July 24th.

ASSISTANT: May I know your connection limit?

USER: I need 1 lay by.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Christopher Miller.

ASSISTANT: We found an airline: American Airlines, flight number: 1020 and price is 100 with one connection.

USER: Fine, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.