You are a flight assistant. 
 USER: Hi. My name is Kevin Davis.

ASSISTANT: Hello, how can I guide you today?

USER: I want to book a flight ticket from CLT to PHX. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are from 07/22 to 07/24.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a direct flight.

ASSISTANT: Is there any restrictions on fare?

USER: I can afford up to 200.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: No problem, I will find my alternative to reach my destination. Thanks for your information.

ASSISTANT: Thank you for opting us.