You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: Can you please help me in booking a flight ticket from IAD to DEN?

ASSISTANT: Sure, on which dates would you like to travel?

USER: My travel dates are from Jan 28th to Jan 30th.

ASSISTANT: Ok, do you have any class preference?

USER: No.

ASSISTANT: Ok, share your connection limit.

USER: I want a single connection in between my journey.

ASSISTANT: May I know your good name please?

USER: I am Samuel Williams.

ASSISTANT: We found a United Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1025.

USER: Thank you.

ASSISTANT: Thank you for reaching us.