You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have planned a trip to Boston, can you book a flight ticket for me from ORD to BOS locations?

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are 7 and 9th of May month.

ASSISTANT: Do you have any class preference?

USER: I need an economy class flight.

ASSISTANT: May I know your name?

USER: I am Kimberly Thompson.

ASSISTANT: Thanks for waiting, there are no flights found on your data.

USER: I would like to return back in the afternoon time, please check with this.

ASSISTANT: Ok, No flights found on your data.

USER: No problem with that one, thank you for your information.

ASSISTANT: Thank you.