You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Alexander Scott.

ASSISTANT: How may I assist you?

USER: I planned to attend  flower festival in Dallas & Fort Worth with my colleagues. Could you please book a flight ticket for me?

ASSISTANT: Ok. Please let me know your journey dates?

USER: My journey dates are 10/27 and 10/29.

ASSISTANT: Could you please provide travelling airport codes?

USER: I would like to deviate from Orlando FL-MCO to TX-DFW.

ASSISTANT: Flight ticket can be booked with airline Frontier for price 100. Flight connections is 1 with flight number 1003.

USER: Ok, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your information.

ASSISTANT: Thanks.