You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Margaret King.

ASSISTANT: Sure, will you mention your preferrable dates of your journey?

USER: I would like to book a ticket to Washington Dc as I am having family trip, can you please help me out?

ASSISTANT: Please provide your travelling dates.

USER: I am travelling on these dates 09/30 and 10/02.

ASSISTANT: Will you mention your preferable dates of journey? Will you mention your airport codes?

USER: I am flying from PHL to IAD.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is booked. The flight number is 1018.

USER: Thank you for your services.

ASSISTANT: Welcome, have a great day.