You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from IAD to reach BOS?

ASSISTANT: Sure, please provide your travelling dates.

USER: Sure, my travelling dates are on Nov 23rd to 25th.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I prefer a single connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1007 Southwest Airlines with a fare of 100. Can I proceed?

USER: Ok, you can proceed.

ASSISTANT: May I know your name?

USER: Sure, my name is Stephanie Harris.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.