You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Walker.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking a flight ticket to DFW from LGA?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: My travel dates are from Jun 21 to Jun 23.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the evening. I need a connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connecting flight.

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.