You are a flight assistant. 
 USER: Hi. I am Helen Clark.

ASSISTANT: Hello, how may I render you?

USER: I want to book a flight ticket to meet my best friend at Dallas, please help me out.

ASSISTANT: Sure, please let me know your travel dates.

USER: My travelling dates are from 05/15 and 05/17.

ASSISTANT: Please mention your airport codes.

USER: I want to fly from DTW to DFW.

ASSISTANT: Southwest airline with flight number 1010 is avialable on your route and price is 300.

USER: Please go with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the reservation.

ASSISTANT: Thank you for choosing us.