You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Anna Smith, want to travel from DEN to ORD. Please help me in booking my ticket.

ASSISTANT: Sure, I am here to help you. Please tell me your travel dates.

USER: Sure, my travelling dates are from 06/29 to 07/01.

ASSISTANT: There is a flight available with Frontier airlines and the ticket price is 200 only. Shall I book the ticket for you?

USER: Yes, please book it for me.

ASSISTANT: Anna, your ticket is confirmed and your flight number is 1019.

USER: Thank you for your help.

ASSISTANT: You are most welcome and thank you for reaching us.