You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Young.

ASSISTANT: How can I aid you?

USER: I am planning to book a ticket from PHL to LAS to attend workshop, can you help me in booking?

ASSISTANT: Sure, help me with your trip dates.

USER: I am departing on 08/20 and return on 08/22.

ASSISTANT: There is a connecting flight with number 1014 in airline Delta, the fare is 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.