You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Gregory Perez.

ASSISTANT: How may I assist you?

USER: I am participating in the Grand Prix event happening at Houston. Can you find any flights available?

ASSISTANT: Could you please mention your airport codes?

USER: I would like to travel from LGA to IAH.

ASSISTANT: Let me know your travel dates.

USER: Please find the availability for the dates 01/26 and 01/28.

ASSISTANT: Sorry, no flights had been found on your requested details.

USER: That's fine, not a big deal. I will find other means of transport.

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you for the information.