You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Lewis.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Los Angeles, can you please book me a ticket from OAK to LAX?

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

USER: My preferable journey dates are from 03/30 to 04/01.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Hawaiian airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1001, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.