You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Roberts here.

ASSISTANT: How can I assist you today?

USER: I would like to travel from OAK to EWR, can you help me to find a flight?

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

USER: My travelling dates are 02/28 and 03/01.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: You can proceed.

ASSISTANT: I have successfully booked your ticket with flight-1015, have a safe journey.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.