You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen Phillips.

ASSISTANT:  Hello, how can I aid you?

USER: Can you help me to book a flight from EWR on 06/17?

ASSISTANT: Sure, may I know your destination airport code and date please?

USER: I would like to return on 06/19 from HOU.

ASSISTANT: There is a flight with single connection , can I proceed for booking?

USER: Yes, proceed with booking.

ASSISTANT: Your booking is done in 1001 flight, it costs you 200.

USER: Thank you for your help.

ASSISTANT: Thank you.