You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Margaret Gonzalez.

ASSISTANT: Nice to meet you Margaret.

USER: I need to travel Washington DC, can you please help me with the airport codes HOU and IAD?

ASSISTANT: Sure, please tell me your travel dates?

USER: My travelling dates are Dec,13 and Dec,15.

ASSISTANT: Please wait for a moment.

USER: ok, I will be waiting.

ASSISTANT: Thanks for your patience. I have found southwest airlines which flies with one connection.

USER: Please proceed with the reservation.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1000.

USER: Thank you very much for booking my flight ticket.

ASSISTANT: Thank you.