You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from CLT to HOU. Can you please book a connected flight ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are Apr 15 and Apr 17.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for a normal cost airline like UA, AA, Hawaiian.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: I am Sarah Taylor.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights available on that route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.