You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am a history professor, I have to give a guest lecture at Seattle. Could you book my ticket from ATL to SEA?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My itinerary dates are 03/05 and 03/07.

ASSISTANT: Please provide me your name to proceed further.

USER: Emily Harris here.

ASSISTANT: I found a flight with Delta airlines available with price 300. Shall I book the ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1004.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.