You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Hall.

ASSISTANT: What help do you require from our travel agency?

USER: I am planning to attend Tennis competition in Minneapolis MSP from LGA. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you with the ticket reservation process. Could you send me your travelling dates?

USER: Ok, my planned trip dates are on Feb 02 and return on Feb 04.

ASSISTANT: Ok, please hold on for a minute. In the meanwhile, tell me if you have any preferences?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry to inform you, there are no flights available on these dates.

USER: Oh! ok. Can you check the this dates Feb 20 and return on Feb 22.

ASSISTANT: Ok, I will check for the flight. Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight on these dates also.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for approaching us.