You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you today?

USER: I am Andrew Johnson.

ASSISTANT: Ok.

USER: I want to book a ticket from CLT to DEN, can you help me?

ASSISTANT: Sure, we are here to help you. Please help me with your travelling dates.

USER: My travel dates are 04/03 and 04/05.

ASSISTANT: Ok, do you need any halt in between journey?

USER: I need a single halt in my journey.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we are unable to provide flights on your journey routes.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.