You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to attend a board meeting at Boston, so can you book a ticket from ORD to BOS?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are Nov 22 and Nov 24.

ASSISTANT: Do you have any preferences?

USER: I want to return in the evening.

ASSISTANT: May I know your name please?

USER: My name is Emma Rodriguez.

ASSISTANT: Thank you for your details, we did not find any flights running in your desired routes.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.