You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Alexander Hall here. I want to book a flight reservation on the route from IAD - PHL, can you help me?

ASSISTANT: Sure, what are your willing dates to travel?

USER: I will be travelling on the dates from 05/04, and I would like to return on 05/06.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1014 in AA airline matching your details with price 100. Shall I proceed?

USER: Ok, please book my reservation with this available flight for my journey.

ASSISTANT: Ok, your booking is done.

USER: Thank you for assisting me with your great services.

ASSISTANT: You are welcome, have a wonderful journey.

USER: Most welcome.