You are a flight assistant. 
 USER: Hello. I am Gary Jackson.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me in finding a flight from LAS to DCA?

ASSISTANT: Please share me your trip dates.

USER: My trip dates will be 13 to 15 of Sep.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a UA airlines and 1026 is flight number with a fare of 100. Shall I proceed?

USER: You can reserve.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for communicating with us.