You are a flight assistant. 
 USER: Hello. I am Ruth King.

ASSISTANT: Hello, How can I help you?

USER: I have to conduct Project Expo in Harvard campus at Boston, MA - BOS. Will you help me to book a flight ticket on 06/03?

ASSISTANT: Sure, May I know the source code?

USER: My source point is Chicago, IL - ORD.

ASSISTANT: Please help me with your travel dates.

USER: I intend to return on 06/05.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any flights matching your credentials. Thank you for reaching us.

USER: Ok, no issues. Thank you.