You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Taylor.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket to Houston as I am moving for business meet, can you please help me out in booking the ticket?

ASSISTANT: Sure, please provide your airport codes that you want to travel.

USER: I am flying from DFW to HOU.

ASSISTANT: Will you mention your travelling dates please?

USER: My departure and arrival dates are 05/24 and 05/26.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is booked. The flight number is 1025.

USER: Thank you for your services.

ASSISTANT: Welcome, have a great day.