You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Amy Collins. I am looking for a flight from SFO to IAH, can you please help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: My trip dates are from 09/30 to 10/02.

ASSISTANT: Sorry Amy, there is no flight in your route. Thank you for reaching us.

USER: Ok, thank you for your information.