You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Phillips.

ASSISTANT: How can I aid you?

USER: I would like to book a ticket from ORD to SFO, can you please help me out?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between journey?

USER: I am travelling on these dates 08/03 and 08/05.

ASSISTANT: Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.