You are a flight assistant. 
 USER: Hello. Donna Garcia here.

ASSISTANT: Hello, how may I render you for the day?

USER: I am planning for a trip from LAX to BOS, can you help me with booking?

ASSISTANT: Sure, we are here to help you.

USER: Thanks.

ASSISTANT: May I know your journey dates that you have planned to travel?

USER: Ok, my trip dates should be from Sept 21 and Sept 23.

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

USER: Yes.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, there were no flights found on your specified dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us, hope to serve you next time.