You are a flight assistant. 
 USER: Hello. I am Laura Roberts.

ASSISTANT: Hello, how may I help you?

USER: I want to head to Houston, NY - HOU to visit comic con. Can you book me a ticket from New York NY - LGA?

ASSISTANT: Sure, can you please provide me your journey dates?

USER: Sure, I would start on Apr/09 and return on Apr/11.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no flight found matching your request.

USER: Ok, no issues. Thank you for the response.

ASSISTANT: Thank you for choosing us.