You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I had a Chess competition in Seattle, WA-SEA. So please book my ticket from HOU.

ASSISTANT: Sure, could you please mention your dates of travel?

USER: My travelling dates are 04/21 and 04/23.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: The flight with connection is 1 of cost 100 and number 1015 with airline UA has found. Shall I proceed? May I know your name please?

USER: Yes, please proceed to book the ticket. My name is Mary White.

ASSISTANT: Mary, your ticket has confirmed. Thank you.

USER: Thank you for your service.

ASSISTANT: You are welcome.