You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sarah Martin.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from ORD to OAK, can you help me?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 06/02 and 06/04.

ASSISTANT: Here is flight ticket with fare 100 and 1004 as flight number. Shall I confirm your ticket?

USER: You can book it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.