You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am planning to go for a live music concert at Boston, so can you please book a ticket on 03/13?

ASSISTANT: Sure, may I your airport codes?

USER: My s. My source is New York, NY-LGA and destination is Boston, MA-BOS.

ASSISTANT: Please share your travelling days?

USER: I would like to return on 03/15.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for your details, there are no flights found with your specified days.

USER: Not a problem, I will try with another airline.

ASSISTANT: May I know your good name please?

USER: My name is Barbara Lopez.

ASSISTANT: Thank you for choosing us.

USER: Thank you.