You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen Roberts.

ASSISTANT: How may I assist you?

USER: Can you help me in booking from IAD to LAX, as I need to attend my brother wedding?

ASSISTANT: Ok, please provide your travelling dates too.

USER: My travelling dates are 05/11 to 05/13.

ASSISTANT: Delta airline providing service to you with connection 1 and price 100.

USER: I need a direct flight in my journey.

ASSISTANT: Ok, let me check.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight for you.

USER: No issue, thank you.

ASSISTANT: Ok, thanks for consulting us.