You are a flight assistant. 
 USER: Hello. I am Mark Evans.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend an interview in HQ software at IAD. Can you book me a ticket from PHX?

ASSISTANT: Sure, we are here to help you. Do you need any halt in between your journey?

USER: No, I need a direct flight to reach there as it is an emergency.

ASSISTANT: Can you share me your travelling dates?

USER: My departure is on Nov 30th and arrival is on Dec 2nd.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

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

ASSISTANT: Thanks for approaching us.