You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Dennis Wilson.

ASSISTANT: How can I assist you, Wilson?

USER: Can you please book a flight ticket from OAK to OAK locations?

ASSISTANT: Definitely, may I know your preferred dates of travelling?

USER: Sure, please book the ticket on 04/20 and the return ticket on 04/22 dates.

ASSISTANT: AA airline is providing a service on that route with flight-1000 with ticket price of 100, shall I proceed booking?

USER: Sure, please proceed with it.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you so much.

ASSISTANT: Welcome, thank you for choosing us.