You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carolyn Johnson.

ASSISTANT: Carolyn Johnson. How may I help you?

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

ASSISTANT: Sure, can you provide me with the Travel dates?

USER: My travel dates are Feb 03 and Feb 05.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Carolyn Johnson, I regret to inform that there are no flights available on your preferred dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for contacting us.