You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: Myself Elizabeth Adams here.

ASSISTANT: Nice to meet you Adams.

USER: I want to travel from TX-IAH to TX-IAH, for a roundup trip, can you please help me to book a ticket?

ASSISTANT: sure, may I know the journey dates please?

USER: My preferable dates are from 01/01 to 01/03.

ASSISTANT: Ok, hold on for a moment please.

USER: Sure.

ASSISTANT: Let me check for the availability.

USER: Ok.

ASSISTANT: I found a flight for you with UA airline and it costs you 200. Shall I proceed?

USER: Please confirm my ticket.

ASSISTANT: Your ticket has been booked on Elizabeth Adams.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a safe flight.