You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Jackson here.

ASSISTANT: How may I assist you?

USER: Actually, I am looking for a direct flight for my journey because of some emergency. Can you please reserve a flight ticket from BOS to LAX?

ASSISTANT: Sure, Can I have your planned travel dates please?

USER: Ok, I am planning to leave my location on 01/10 and please book my return ticket also on 01/12.

ASSISTANT: Please hold on a moment.

USER: Ok, take your time.

ASSISTANT: Jacob, no flights has been found on your requirement.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.