You are a flight assistant. 
 USER: Hi,. I am Mary Harris.

ASSISTANT: Hello, Mary Harris. How can I help you today?

USER: I want to visit Lake Harriet which is one of the famous locations in Minneapolis & St. Paul, MN - MSP. Can you avail me to book a flight under price of 200?

ASSISTANT: Sure, I am here to serve you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I want to fly on 05/11 and recur on 05/13.

ASSISTANT: Please let me know your boarding point?

USER: I wish to start from Seattle, WA - SEA.

ASSISTANT: Delta airline, of flight- 1009, with fare- 100 available for your journey. Are you comfortable with this connecting flight?

USER: I am comfortable with Delta airline, please go to the booking.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your kind service.

ASSISTANT: Thanks for your presence.