You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Betty Martinez. I have planned to watch a live cricket match in Houston, help me in booking my flight ticket.

ASSISTANT: Sure, we are here to help you better. May I know from where you want to travel?

USER: My airport codes are from DC-IAD to TX-HOU.

ASSISTANT: On which dates you want me to book flight ticket?

USER: My travelling days are from 12/19 to 12/21.

ASSISTANT: OK, wait a while. I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for being waiting, we found a Southwest airline for you. Flight number : 1007, price : 100 and connection : 1. Would you like me to proceed?

USER: Proceed with booking.

ASSISTANT: Your booking has been completed. Thanks for contacting us, have a safe journey.

USER: Thank you for your assistance.