You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brenda Hill from Dallas. I want to go Houston next week for attending a business meeting there, can you please book a flight ticket for me?

ASSISTANT: Sure, can you provide me your airport codes please?

USER: I want to fly from DFW and destination airport is HOU.

ASSISTANT: May I know your travelling dates please?

USER: I want to take off on 03/21 and book my return ticket also on 03/23.

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

USER: I am ok with this flight, please proceed.

ASSISTANT: Your booking is done in 1019 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our service.