You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Richard Johnson. Can you help me to book the flight ticket on 07/05 and return on 07/07?

ASSISTANT: Sure, may I know your airport codes please?

USER: Ok, my origin airport code is IAH and the destination code is PHL.

ASSISTANT: AA airlines is having a flight with travel charge of 100, shall I proceed booking?

USER: Please proceed if the connection limit is 1.

ASSISTANT: It has 1 connection only. Your ticket has been booked with flight-1012, have a safe journey.

USER: Thank you for helping me with the ticket booking.

ASSISTANT: Thank you for choosing us.