You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I assist you today?

USER: I got an invitation for Philadelphia, PA - PHL, to participate in the College Bowls Men's football. Can you reserve me a ticket in the name of Timothy Thompson within the range of 200?

ASSISTANT: Ok, may I know your source airport code?

USER: My source is from DC - IAD.

ASSISTANT: Ok, may I know your journey dates?

USER: I want to fly on 12/24 and return at 12/26.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Ok, we found a plane with 1000 AA airline matches to your criterion and the fare is 200 with single connection.

USER: Ok, It is perfect for me. Please proceed.

ASSISTANT: Ok, you ticket has been confirmed.

USER: I am grateful to you, for making my ticket booking easier.

ASSISTANT: Thank you for availing us.