You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Robinson.

ASSISTANT: How can I assist you today?

USER: I want to book a ticket from EWR to SFO to attend seminar, can you help me in booking?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: I am departing on 08/11 and return on 08/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: I have successfully booked your ticket with flight-1000, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.