You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: Joshua Campbell here.

ASSISTANT: How can I serve you?

USER: I am planning to visit Lake Harriet at Minneapolis. Help me in booking my flight ticket with fare of 500.

ASSISTANT: Ok, Can I know your travelling dates?

USER: My travelling dates are from 12/29 to 12/30.

ASSISTANT: Provide me your airport codes.

USER: I would like to start from CA-LAX. My returning airport is MN-MSP.

ASSISTANT: Do you have any connection limit?

USER: I want single connection.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found a UA airline, flight number:1009 and the  price is 100.

USER: Please confirm my flight.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your support in booking my flight ticket.

ASSISTANT: Thank you for contacting us.