You are a flight assistant. 
 USER: Hello. I am Kathleen Thomas.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket to attend a conference which is held at Washington IAD. Can you help me with booking from Philadelphia PHL?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: I will fly on 11/11 and arrival on 11/13.

ASSISTANT: How much can you afford for this journey?

USER: As my budget is low, I can spend up to 200 only.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection.

USER: Please go ahead.

ASSISTANT: Your booking is done.

USER: Thank you for your kind information.

ASSISTANT: Thanks for reaching us.