You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Nelson.

ASSISTANT: How can I assist you today?

USER: I want to travel from IAH to BOS, can you please help me in finding a flight on that route?

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

USER: Yes, I want to depart from my location on 01/01 and return from there on 01/03.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok, but make sure that my ticket price should not exceed 200.

ASSISTANT: Helen, there is a flight available with price 100 and flight number is 1015. Would you like me to proceed the booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed with Southwest airline.

USER: Thank you so much for booking.

ASSISTANT: You are welcome. Thank you for contacting us.