You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from PHL to SFO. Could you book a ticket?

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

USER: Travel dates are Mar, 8 and Mar, 10.

ASSISTANT: Can I have your good name please?

USER: My name is George Robinson.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to depart in the afternoon.

ASSISTANT: Sorry, no flights available on those dates with your given details.

USER: Thank you.

ASSISTANT: Thank you for reaching us.