You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Emily Lewis here. Can you please check for the flights from BOS to LAX with a single connection?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are from June 22 to June 24.

ASSISTANT: Do you have any other specifications?

USER: My depart time is in morning.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Oh! That's very disappointing to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.