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

ASSISTANT: Hello. How can I help you?

USER: Can you please book a ticket to Oakland, OAK?

ASSISTANT: Yes, may I know when you want to travel?

USER: I want to travel on 10/06.

ASSISTANT: Ok, please help me with your source code.

USER: San Francisco, SFO is the source point, I will start from here to attend the religious festival.

ASSISTANT: Ok, please share your return date.

USER: I will return on 10/08.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need to halt in between my journey.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say no flights found with your details.

USER: Ok, thanks for the response.

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