You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Evans.

ASSISTANT: How can I assist you?

USER: I planned to attend for a wedding in LGA, can you please help me to book a flight ticket from IAD?

ASSISTANT: Ok, may I know your travelling dates?

USER: I prefer to travel on 10/09 and 10/11.

ASSISTANT: Here is a flight ticket with fare 100 and 1015 as flight number. Shall I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.