You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from PHX to IAH, can you help me with that?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 09/23 and 09/25.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight which departs in evening.

ASSISTANT: May I know your name please?

USER: I am Donald Lee.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked, flight number 1010 with UA airlines.

USER: Thank you for that.

ASSISTANT: Thank you for opting us.