You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Kenneth Hernandez.

ASSISTANT: How can I assist you today?

USER: I have a client meeting this weekend. Can you please help me in reserving the ticket from CLT to LAX?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am planning my trip on June 28, and again I will return back on June 30.

ASSISTANT: Do you have any specifications?

USER: My return time is afternoon.

ASSISTANT: Do you have any other preferences?

USER: I am comfort with single connection.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Not a big problem, anyhow thank you very much for your service.

ASSISTANT: Welcome, have a great day.