You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: My name is Charles Wilson. Can you help me to book a flight ticket from CLT to LAS?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Ok, please book a flight for the dates Oct 6 and 8 respectively.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Thank you for assisting me, I will book next week.

ASSISTANT: Thank you for reaching us.