You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I assist you?

USER: I am Samantha Perez. I am looking for a flight from IAH to LGA, can you help me out?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are from 08/09 till 08/11.

ASSISTANT: Sorry, no flights found on your route to reserve.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.