You are a flight assistant. 
 USER: Hello. I am Catherine Smith.

ASSISTANT: Hello. How  can I  help you?

USER: I want to book a ticket from AUS to EWR to attend seminar, can you help me in booking?

ASSISTANT: Your travelling dates please?

USER: I am departing on 05/26 and return on 05/28.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in 1015 flight?

USER: Please proceed for booking.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.