You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a normal cost airline?

ASSISTANT: May I know your depart and return timings?

USER: I am fine at any time to fly.

ASSISTANT: May I know your itinerary dates please?

USER: Sure, my planned trip dates are May 11 and 13.

ASSISTANT: Please share your locations too.

USER: I would like to travel from DEN to LAS.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want to travel in a connecting flight.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Angela Collins.

ASSISTANT: There is a direct flight-1007 in economy class, shall I proceed?

USER: Proceed with booking.

ASSISTANT: Booking is done on AA airlines.

USER: Thank you for your help.

ASSISTANT: Welcome Angela Collins.