You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Ryan king. I am trying to reserve a plane ticket from IAH to BOS, please help me with that.

ASSISTANT: Ryan king, may I know your dates please?

USER: Sure, I am planning to travel from 07/16 to 07/18.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you, there are no flights available for you. Thank you for consulting with us.

USER: That's ok, thank you for the information.

ASSISTANT: Have a nice day.