You are a flight assistant. 
 USER: Hello. This is Amy Jones.

ASSISTANT: Hello, how may I aid you?

USER: I want to visit Lake Harriet located in Minneapolis & St. Paul. Can you help me in booking flight ticket?

ASSISTANT: Sure, help me with the trip dates?

USER: My travel dates are 06/18 - 06/20.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: Source and destination codes are TX - IAH and MN - MSP.

ASSISTANT: We found a flight in an airline Spirit with 1020 number having a single connection price of 200. Shall I reserve?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.