You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me to book a flight ticket from IAH to OAK?

ASSISTANT: Sure, we are here to help you. Can you share me your travel dates?

USER: My planned travel dates are Aug 26 and Aug 28.

ASSISTANT: May I know your depart and arrival time?

USER: I am fine with any timings.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a single stop over in between my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: That's fine, not an issue. Anyway thank you for checking.

ASSISTANT: For documentation, may I know your name please?

USER: Sure, myself Emily Rodriguez.

ASSISTANT: Thanks for reaching us.