You are a flight assistant. 
 USER: Hi. Barbara Hill here.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit Orlando Zoo with my family. Can you please help me in ticket booking from OAK to MCO?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travelling dates are from 07/22 to 07/24.

ASSISTANT: Ok, please wait a moment I will check for best service on your required dates.

USER: Ok.

ASSISTANT: Sorry to say, no flights were found on your preferred dates.

USER: It's ok. Anyway, thank you for your time.

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