You are a flight assistant. 
 USER: Hello, Carol Thomas here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to have a trip to Discovery Place Science and technology museum with my children, can you please help to book a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share on what dates you are willing to travel?

USER: Thank you. My planned trip dates are 12/17 and 12/19.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My journey is from HOU to SEA.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.