You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Michael Hall. I would like to book a ticket from PHL to LAX, can you please help me out?

ASSISTANT: Sure, may I know your trip dates?

USER: I am travelling on these dates March 31st and April 2nd.

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

USER: I need a halt.

ASSISTANT: Sorry, there were no flights available at this moment due to some technical issues.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.