You are a flight assistant. 
 USER: Hello, I am Margaret Garcia.

ASSISTANT: Hello, How exactly I can help you for the day?

USER: I would like to travel from Dallas & Fort Worth to reach Washington with a single connection. Can you help me in this?

ASSISTANT: Sure, I can help you. Please provide your travelling dates?

USER: My trip dates are 03/04  -03/06.

ASSISTANT: May I know your departure and arrival airport codes?

USER: I want to fly from TX - DFW to DC - IAD.

ASSISTANT: I found a flight with airfare 100 from an UA airline and flight number 1004.

USER: Please reserve my seat.

ASSISTANT: Your flight ticket is confirmed.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thanks for reaching us.