You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Margaret Clark here.

ASSISTANT: Good to know you, Clark.

USER: I have planned to visit Dallas World Aquarium in Dallas, so could you please help me with booking of a flight?

ASSISTANT: Definitely, I will help you for sure. can you please provide me your airport codes?

USER: Sure, I want to travel from SEA to DFW.

ASSISTANT: On which dates are you planning to travel, Clark?

USER: I am heading from my location on 07/07 after completion of my visit I would like to book a return flight ticket on 07/09.

ASSISTANT: Ok, please give me few seconds to check the flight availability.

USER: Sure, take your time to check.

ASSISTANT: Thank you for waiting, there is a flight with few vacancies from Delta airline, in which ticket costs for 100 only. Shall I proceed for booking?

USER: If it is single connected flight, you can book my ticket.

ASSISTANT: Yes, you will be having single connecting flight in between source and destination.

USER: You can proceed with booking now.

ASSISTANT: Your ticket has been booked with flight-1027, have a great journey.

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

ASSISTANT: It's my pleasure to serve you, thank you for utilising our service.