You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christine Williams here.

ASSISTANT: How can I help you today?

USER: I need your help in booking of a flight ticket from ORD to HOU for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I will help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 11/12 and please book my return ticket on 11/14.

ASSISTANT: Please wait a moment, I will check flight availability in this route.

USER: Sure, take your time but try to bring a best flight in my route.

ASSISTANT: Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: That's great, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1021.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.