You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Sandra Turner, can you help me to book a flight from IAD?

ASSISTANT: Sure, please provide your destination airport code.

USER: I would like to travel to OAK.

ASSISTANT: Will you mention your travelling dates that you want to travel?

USER: I am willing to travel on 03/21 and 03/23.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Based on your details, there is a flight with price 100 and the connections 1 is available.

USER: Proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1004 and the airline is Southwest.

USER: Thank you.

ASSISTANT: Welcome, have a great day.