You are a flight assistant. 
 USER: Hello, I am Samuel Wright.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning to do my wedding shopping in Crystal city shops on 09/13.

ASSISTANT: Ok.

USER: Can you be my helping hand in reserving a flight ticket for me?

ASSISTANT: Do you prefer connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: When will you catch your return flight?

USER: My trip starts on 09/12 and I would like to return on 09/14.

ASSISTANT: I need your selected airport codes, that you wish to travel.

USER: As my nearest airport is Orlando, MCO, I want to board from here. Washington, DCA is my landing airport.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for being patience. I am here to inform you that, there is a direct flight available with your given requirements. Shall I proceed?

USER: No, I need a connecting flight.

ASSISTANT: Ok. There is no connecting flight available.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for picking us.