You are a flight assistant. 
 USER: Hi, I am Susan Young.

ASSISTANT: Hello, how may I address you?

USER: I would like to attend for prayers in Old North Church at Boston, BOS. Can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, do you need any stopover in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Kindly share your travelling dates.

USER: Travel dates are 04/21 and 04/23.

ASSISTANT: Please give me a minute, I will revert to you with flight availability.

USER: Ok,.

ASSISTANT: There is no flight found matching with your travelling dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for availing us.