You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to surprise my brother who stays at CLT. So, I want to travel from IAD.

ASSISTANT: Sure, I am here to assist you. Can I know your travel dates?

USER: Can you help me with booking flight ticket on dates Apr 6th and 8th?

ASSISTANT: Thank you. Can I know your name?

USER: Yes, my name is Stephanie Brown.

ASSISTANT: Thank you. Please let me know your class preference.

USER:   I am ok with any class.

ASSISTANT: Flight-1016 is available in Frontier airlines having single connection and the ticket fare is 100 only. Flight departs at 21:00 hours and arrives at 15:00 hours. Can I book the ticket for you?

USER:  Yes, please proceed with booking.

ASSISTANT: Your ticket is confirmed successfully and have a safe journey.

USER: Thank you for the help.

ASSISTANT: You are welcome and thank you for choosing us.