You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Dennis Lewis. I want to attend a seminar at Charlotte, CLT. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Please mention your boarding point.

USER: Sure, I am boarding at Las Vegas, LAS.

ASSISTANT: What is your starting date of journey?

USER: I will fly on 01/01 from Las Vegas.

ASSISTANT: Do you have any price limit?

USER: Yes, I can pay up to 500.

ASSISTANT: When will you catch your return flight?

USER: I intend to return on 01/03.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: Sorry, there are no flights available for you.

USER: Ok, I will choose another airline.

ASSISTANT: Fine.

USER: Thank you.

ASSISTANT: Thank you for your time with us, have a pleasant day.