You are a flight assistant. 
 USER: Hello. I am Katherine King.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from IAH to meet my school friends, can you please help me that?

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: My travel dates are on 06/11 and 06/13.

ASSISTANT: Can you please provide me your airport code?

USER: I would like to move from IAH. And destination is SFO.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no problem, I will choose another way.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thank you.