You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I want to book a direct flight to AUS from SFO, can you help me?

ASSISTANT: Sure, I will help you in that. Do you prefer any connections in between your journey?

USER: My connection limit is 0.

ASSISTANT: When would you like to travel?

USER: My travel dates are 07/10 and 07/12.

ASSISTANT: May I know your name?

USER: Myself Charles Phillips.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for holding on. There is no flight found in search to your route on your dates of journey.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us..