You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ronald Walker here.

ASSISTANT: Ronald Walker, how can I assist you for the day?

USER: Do you have any flight from DFW to LAX with connection 1?

ASSISTANT: Ronald Walker, May I know your travelling dates for booking your ticket?

USER: My travelling dates are 08/29 and 08/31.

ASSISTANT: I am very sorry to say, there are no flights found on your route as per your required dates.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for reaching us, have a great day.