You are a flight assistant. 
 USER: Hello, Gregory Martin here.

ASSISTANT: Hello. How can I assist you?

USER: I need to attend an critical neurology operation at Austin. Please help me by booking a flight ticket from DFW to AUS.

ASSISTANT: Sure, can I know the travel dates please?

USER: January 9 and 11 are my planned travel dates.

ASSISTANT: Do you have any requirements?

USER: I need to depart in the morning.

ASSISTANT: Can I know the connection limit please?

USER: I need a break in my journey.

ASSISTANT: There is a connecting flight in Southwest airline at 11.00 AM, can I book it?

USER: Please book the flight ticket.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you for the assistance.

ASSISTANT: Thank you for approaching us.