You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Shirley Clark. I want to book a ticket from CLT to BOS, can you help me?

ASSISTANT: Sure, I will help you in booking. Help me with your travelling dates?

USER: My travel dates are 12/05 and 12/07.

ASSISTANT: May I know the timings of travelling?

USER: I want to return in the evening.

ASSISTANT: Please share me your specifications.

USER: I want to travel in economy class.

ASSISTANT: Unfortunately we did not find any flight on your matching information.

USER: No problem, thanks for checking.

ASSISTANT: Thank you.