You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can we aid you today?

USER: I want to book a ticket from HOU to DFW, can you help me?

ASSISTANT: Sure, we can help you. Can you please let us know your trip dates?

USER: My travel dates are 10/30 and 11/01.

ASSISTANT: May I know your name?

USER: I am Mary Parker.

ASSISTANT: Parker, flight-1022 is available with Delta airlines and the ticket fare is 100 only. Can I book the ticket?

USER: Yes, please.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.