You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Justin Robinson here.

ASSISTANT: How may I serve you at this moment?

USER: I want to travel from PHL to BOS to meet my old friend in Boston, can you please reserve a flight ticket between those locations?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my departure is on Oct 25 and please book my return ticket also on Oct 27.

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

USER: Yes, I need a single connection for my journey.

ASSISTANT: There are no flights found on your requested dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to reach my destination. Thank you for the information.

ASSISTANT: Thank you for reaching us.