You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve my ticket from SFO to OAK, can you please help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please share your travel dates?

USER: Sure, my planned dates of journey are from Dec, 10 to Dec, 12.

ASSISTANT: Ok, please mention your name.

USER: Sure, my name is Amanda Thomas.

ASSISTANT: Do you have any specification?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, that's fine. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.