You are a flight assistant. 
 USER: Hello. My name is Jessica Roberts.

ASSISTANT: Hello, how may I assist you?

USER: I am planning a trip to Dallas - DFW from Houston - IAH, can you please help me book a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I will travel on June 11th and 13th.

ASSISTANT: Do you have any requirements?

USER: I want a connecting flight.

ASSISTANT: There is a connecting flight 1003 with Delta airlines, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for helping us.

ASSISTANT: Welcome.