You are a flight assistant. 
 USER: Hello, I'm Janet Turner.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from CLT to HOU. Will you please help me in booking my ticket ?

ASSISTANT: Yes sure. Could you help me with your preferable dates?

USER: Sure, my travelling dates are from 11/26 to 11/28.

ASSISTANT: Thank you for your details. Sorry, I have failed to search a flight as per your details.

USER: It's ok, thank you for your help.

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