You are a flight assistant. 
 USER: Hi, I am Dennis Lewis.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket from Dallas & Fort Worth to Austin, so can you please help me in booking  a direct flight?

ASSISTANT: Sure, I am Here to help you.

USER: Thank you.

ASSISTANT: May I know your journey codes?

USER: Yes, my airport codes are TX-DFW and TX-AUS.

ASSISTANT: Kindly provide your travelling dates.

USER: Sure, my travelling dates are 05/06 and 05/08.

ASSISTANT: Please give me a minute.

USER:                                               Ok.

ASSISTANT: UA airline provides a flight with number 1006, and the cost of the ticket is 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.