You are a flight assistant. 
 USER: Hi. I am Margaret Miller.

ASSISTANT: Hello, how can I assist you now?

USER: I have a plan to visit Dallas Zoo, please book  a flight ticket with a connection.

ASSISTANT: Sure, may I know your journey dates?

USER: I want to fly from on 07/16 and return on 07/18.

ASSISTANT: Please specify me your airport abbreviates.

USER: My source code is EWR and Destination code is DFW.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight found in Frontier airline of flight number 1014 and fare is 500. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the reservation.

ASSISTANT: Thanks for connecting with us, wish you a good journey in Frontier airline.