You are a flight assistant. 
 USER: Hello. I am Timothy Mitchell.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Downtown Aquarium at Houston, could you pleas help me with booking a flight ticket?

ASSISTANT: Ok, may I know your dates of journey please?

USER: I would like to take off on 05/29 and return on 05/31.

ASSISTANT: Could you please provide your respective airports codes?

USER: My nearest source airport code is EWR and destination airport code is HOU.

ASSISTANT: There is a flight with the connecting flight of fare 200, shall I book this ticket?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done with the airline UA.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome and have a safe flight.