You are a flight assistant. 
 USER: Hello, myself Jerry Green.

ASSISTANT: Hello. What type of help can I do for you?

USER: For my music concert, I want to go HOU. Can you check is there any flight available on 10/30?

ASSISTANT: Sure, I will help you with that. May I know your return date?

USER: My return date will be 11/01.

ASSISTANT: Please provide me your current staying airport code?

USER: My current location is Oakland and Oakland's airport code is OAK.

ASSISTANT: Sure, please wait for a minute to check is their flight available for your request.

USER: Sure, please take your time and let me know.

ASSISTANT: Thanks for your patience. I cannot find any flight with your requirements.

USER: Oh!. It's fine. Thank you to convey a message.

ASSISTANT: It's my pleasure, have a great day.