You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you today?

USER: I am Deborah Edwards.

ASSISTANT: Ok.

USER: I would like to visit an arts expo at Harry Ransom center on 08/17, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: My return will be on 08/19.

ASSISTANT: May I know your airport codes?

USER: I am planning to leave from IAD to reach AUS.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight 1003 in Spirit airline with fare of 100. Shall I proceed to book?

USER: Please, proceed.

ASSISTANT: Your ticket has been booked on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.