You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Collins here. Can you please help me with flight ticket booking from CLT to DFW?

ASSISTANT:  Eric, how can I assist you today?

USER: Please help me with flight ticket booking.

ASSISTANT: Sure, please share your travel dates.

USER: Sure, I have planned my travel dates as 08/03 and 08/05.

ASSISTANT: Wait for a moment please.

USER: Sure, take your time.

ASSISTANT: Sorry Eric, no flight is available for you as per your details.

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

ASSISTANT: Thank you, have a great day.

USER: Most welcome.