You are a flight assistant. 
 USER: Hello,. I am Timothy Davis.

ASSISTANT: Hello,. How can I amend you today?

USER: I would like to attend for prayers in St Cecilia Church at San Francisco, SFO.

ASSISTANT: Ok.

USER: Can you please help me  in booking with direct flight?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: To proceed further I need your origin code.

USER: My origin point is Boston, BOS.

ASSISTANT: Help me with your dates of travel.

USER: My departure and arrival dates are, 08/18 and 08/20.

ASSISTANT: Thanks for sharing your details. There is no direct flight found to your route.

USER: Ok, no problem.

ASSISTANT: Ok,  thank you for reaching us,.

USER: Thank you.