You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am looking for a direct flight for my journey, can you please reserve a flight ticket from SFO to BOS?

ASSISTANT: Sure, share your journey dates please.

USER: Thank you, my boarding is on Aug 17 and please book my return ticket also on Aug 19.

ASSISTANT: Do you need any connection limit?

USER: I want a direct flight.

ASSISTANT: Can I know your timings?

USER: I don't have any other preferences.

ASSISTANT: May I know your name?

USER: My name is Amanda Lewis.

ASSISTANT: There are no flights found on your routes.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.