You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi, Hope you are having a good day so far. How may I help you?

USER: Please see if any flights available from IAH to PHL.

ASSISTANT: Sure. I can do that. If it's not a problem may I know if you are looking for booking a flight or changing any reservation?

USER: I am looking for booking a ticket.

ASSISTANT: Okay. What dates should I look the flights for?

USER: I am planning to travel on the dates 02/21 and 02/23.

ASSISTANT: May I know your full name for reservation?

USER: Sure, my name is Nancy Wilson.

ASSISTANT: Miss. Nancy, it seems there are no flights for your given dates and places. I'm sorry for the inconvenience. Is there anything else I can look up for you?

USER: Ok, no issues, I will see any other way to travel, thank you for your support.

ASSISTANT: Sure. Have a safe journey.

USER: You are welcome.

ASSISTANT: Thank you.