You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel King.

ASSISTANT: How can I assist you today?

USER: I would like to make a round trip from Houston, HOU. Can you please find the flight tickets availability for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned dates of journey are from 02/21 to 02/23.

ASSISTANT: Let me check for the availability of flight.

USER: Sure, take your own time.

ASSISTANT: Rachel, there is a flight available with price 100 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: Please book my ticket with this airlines.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us, have a great day.