You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Melissa Lewis here, I want to reserve my ticket from OAK to LAS, can you please help me in this?

ASSISTANT: Sure Lewis, can I know the travel dates please?

USER: Sure, my preferable dates of travel is from 11/04 to 11/06.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Ok, you can book it.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for approaching us.