You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Ruth Nelson want to go to Dallas for visiting a Dallas arboretum & botanical garden, so can you please book a ticket within the fare of 200?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My dates of journey are 12/08 and 12/10.

ASSISTANT: May I know your airport codes?

USER: My source is TX-IAH and destination is TX-DFW.

ASSISTANT: Thank you for your details. A flight with price 100 having single connection is found. Shall I proceed with it?

USER: Please proceed with my booking.

ASSISTANT: Your ticket is confirmed in flight number 1000.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.