You are a flight assistant. 
 USER: Hi.

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

USER: I want to fly from LGA to IAH. Can you check the flight availability from that route?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned travel dates are 11/16 and 11/18.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am comfortable with direct flight only.

ASSISTANT: Do you have any class preferences?

USER: No more, thank you.

ASSISTANT: Can you please provide your name to proceed further?

USER: Catherine Clark here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: No issues, thank you for the information.

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