You are a flight assistant. 
 USER: Hello. My name is Jerry Carter.

ASSISTANT: Hello, how can I support you?

USER: I want to visit to an Washington National Cathedral Church of Saint Peter in Washington, DC - IAD. Can you aid me for booking?

ASSISTANT: Sure, please provide all other details of your journey?

USER: I want to start from Las Vegas, NV - LAS. My travelling dates are from 09/26 to 09/28.

ASSISTANT: Ok, please wait for a minute I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for being patience. I found an Frontier airline matching your request. Flight number 1011 and price of 100 with one connection. Shall I confirm your booking?

USER: Ok, you can proceed with Frontier airline.

ASSISTANT: Sure.

USER: Thanks for your help.

ASSISTANT: Your flight has been booked successfully. Thank you for reaching us.