You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name Lisa Perez. I am planning to visit a Funfair exhibition in Denver, could you please help me in booking my flight ticket?

ASSISTANT: Please share your airport codes.

USER: My airport codes are from BOS to DEN.

ASSISTANT: Please provide your exact travel dates.

USER: These are my planning dates 03/15 and 03/17.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Yes, you may proceed.

ASSISTANT: Your ticket is booked, flight number is 1000 and having 1 stop in middle.

USER: Thank you for your service.

ASSISTANT: Welcome.