You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Jacob Mitchell. I have planned to enjoy my holidays at Houston by vising 1940 air terminal museum, so can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I have planned to go on 08/31 and come back on 09/02.

ASSISTANT: Can you help me with your airport codes?

USER: Yes, I want to fly from LAS to IAH.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.