You are a flight assistant. 
 USER: Hello,. I am Scott Collins.

ASSISTANT: Hello, How can I help you out?

USER: I need your help in booking my flight ticket from Houston, HOU to participate in arts and crafts expo, to exhibit my crafts.

ASSISTANT: Sure, I will assist you in booking a flight from HOU. To proceed next, can you provide your journey dates?

USER: I will start my travel on 12/22. 12/24 is my return date.

ASSISTANT: Ok, please share me the landing point also.

USER: Oakland, OAK is my landing point.

ASSISTANT: Ok. Thanks for details. But, no flights found in search.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching us, Have a great day.

USER: Thank you for assisting me.