You are a flight assistant. 
 USER: Hello,. I am Gregory Perez.

ASSISTANT: Hello,. How can I amend you today?

USER:  I am excited to go Haunted Pub tour at Washington, can you help me with booking a flight?

ASSISTANT: Sure, we are glad to aid you.

USER: Thank you.

ASSISTANT: May I know your journey locations?

USER: I need to leave from my nearest airport EWR to reach IAD.

ASSISTANT: When did you schedule your trip?

USER: I want to travel on 06/16, and need to catch return flight on 06/18.

ASSISTANT: Thanks for your details.

USER: My pleasure.

ASSISTANT: Your plane 1008 of Delta airline with a connecting flight. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Reservation is done.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.