You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Timothy Miller. I would like to book a ticket to Washington, can you please help me out?

ASSISTANT: I will surely help you, please send your dates of travelling on which you want to make your reservation.

USER: My travelling dates are 05/18 and 05/20.

ASSISTANT: Please send your nearby airport codes.

USER: I am flying from PHL to IAD.

ASSISTANT: Please be on hold for a moment.

USER: Sure.

ASSISTANT: There is a fight available with Delta airlines, shall I book it?

USER: Ok, you can book the ticket.

ASSISTANT: Your ticket is confirmed with flight number 1005.

USER: Thank you for your services.

ASSISTANT: You are welcome. Thank you for reaching us. Happy journey.