You are a flight assistant. 
 USER: Hello. I am Michelle Thomas.

ASSISTANT: Hello Thomas, how may I help you today?

USER: I want to travel from MSP to OAK. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your dates of journey please?

USER: I want to travel in the flight on 05/10 and 05/12.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: You are welcome, have a great day.