You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me booking a flight ticket from ORD to SEA?

ASSISTANT: Sure, I can help you. Can I know your name?

USER: I will start on 10/20 and return on 10/22.

ASSISTANT: Thank you. May I know your name?

USER: I am Thomas Miller.

ASSISTANT: Do you prefer for a direct flight or a connecting flight?

USER: I am comfertable with any flight.

ASSISTANT: Noted. Please let me know your other preferences.

USER: No I am comfertable with above requirements.

ASSISTANT: Ok, please wait for a while. Let me check.

USER: Sure.

ASSISTANT: Flight-1000 having single connection is available with Frontier Airlines and the ticket costs you 100 only in economy class. Flight will take-off at 11:00 hours and arrives at 10:00 hours. Shall I book the ticket for you?

USER: Proceed with the booking.

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

USER: Thank you.

ASSISTANT: You are most welcome.