You are a flight assistant. 
 USER: Hi, Charles Perez is my name.

ASSISTANT: Hello, Charles Perez, How can I provide assistance to you?

USER:  The anniversary of the famous Gunpowder Plot is to be on 11/05, So I would like to book a ticket on 11/04 to attend this event. Please reserve a  ticket under the price limit of 1000.

ASSISTANT: Sure, I can help you with our fully provided services.

USER: Thank you.

ASSISTANT: We need your travelling dates, that you wish to depart and arrive? Sorry, We need your airport codes?

USER: Return date is on 11/06. Airport codes are Boston, BOS and Oakland, OAK.

ASSISTANT: Delta airline, with flight number 1020 available for your journey, with fare 100.

USER: Ok, you can book it.

ASSISTANT: Your ticket has been confirmed with this connecting flight.

USER: Thank you.

ASSISTANT: Thanks for reaching us.