You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a normal-cost airline to visit Dallas. Can you book a flight for me?

ASSISTANT: May I know your name please?

USER: My name is Robert Hernandez.

ASSISTANT: I will help you with that please share your travel dates?

USER: I will fly on July 12 and return on July 14.

ASSISTANT: Please share your nearest airport codes?

USER: My source point is ORD and my destination is DFW.

ASSISTANT: Do you have any other preferences.

USER: I want my return flight in afternoon and also a connecting flight.

ASSISTANT: No flights found as per your preferences.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.