You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Daniel Hill.

ASSISTANT: How can I render you today?

USER: I want to book a ticket from SFO to BOS. Could you help me?

ASSISTANT: Sure, we are mirthful to aid you. On which dates did you schedule your trip?

USER: My preferable dates are from 12/18 to 12/20.

ASSISTANT: Please, stay online.

USER: Ok.

ASSISTANT: Thanks for your time. We found a direct flight to your destination. Shall I proceed?

USER: Sorry, I need 1 halt in between my journey.

ASSISTANT: Ok, thank you for availing us.

USER: Thank you.