You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you aid me to book a ticket from DFW to OAK?

ASSISTANT: Sure, can you please let me know your connection limit?

USER: I prefer for single connecting flight.

ASSISTANT: May I know your name please?

USER: Lisa Moore here.

ASSISTANT: On which dates you prefer to travel?

USER: My trip dates are June 9 and June 11 respectively.

ASSISTANT: Are there any more specifications in your journey?

USER: No more you can book the ticket.

ASSISTANT: Sorry we did not find any reservation on your name.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.