You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Ruth Mitchell here, I would like to travel from ORD to DFW, can you please help me to book a ticket?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: Ok, my dates of journey is from 01/30 to 02/01.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Ruth, flight-1020 is available in Spirit airlines and the ticket fare is 200 only. Can I book the ticket?

USER: Ok, please proceed with this ticket booking,.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us and have a safe journey.