You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Parker here.

ASSISTANT: How can I help you?

USER: I want to meet my client to discuss about new project, could you book my ticket from EWR to AUS?

ASSISTANT: Your travelling dates please?

USER: My itinerary dates are 04/10 and 04/12.

ASSISTANT: I am sorry no flights found on your dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.