You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to attend my cousin's marriage at Austin, could you book my ticket from Boston?

ASSISTANT: Sure, can I have your airport codes?

USER: My genesis and terminus airport codes are BOS and AUS.

ASSISTANT: Please mention your travelling dates.

USER: My itinerary dates are Mar 3 and Mar 5.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Please book the ticket on the name of Ashley Scott.

ASSISTANT: Any specifications needed?

USER: I want to depart from Boston in the evening.

ASSISTANT: Please wait a moment.

USER: I prefer a direct flight.

ASSISTANT: Sure, let me check with the availability.

USER: Take your time.

ASSISTANT: Sorry, there are no flight tickets available with your travelling dates.

USER: No problem, I will find an alternative mode of transport.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for your service.