You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a business class ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are Oct 23 and 25.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: No.

ASSISTANT: Ok, please share your airport codes.

USER: My airport codes are OAK and AUS.

ASSISTANT: Wait a minute please.

USER: Please book a flight under my name Anthony Smith.

ASSISTANT: Sure, please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No issues, thank you for your time.

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