You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you for today?

USER: My cousin is throwing a party in his house at Houston. Can you help me in booking a ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am planning my journey on dates 03/21 and 03/23.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My corresponding airport codes are IAD and IAH.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: I found a flight with flight number 1023 with price 100 and connection is 1, would you like me to proceed with the booking?

USER: Please proceed with booking the ticket.

ASSISTANT: On whose name would you like me to book the ticket?

USER: Please book it with the name Elizabeth Green.

ASSISTANT: Your booking is confirmed with AA airlines.

USER: Thank you for your service.

ASSISTANT: You are welcome. Have a safe journey.