You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I would like to make a flight ticket reservation from EWR to IAD, can you please help me?

ASSISTANT: Sure, I am here to help you. Can you please let me know your trip dates?

USER: Sure, my planned travelling dates are Mar, 25 and 27 respectively.

ASSISTANT: Are you willing to fly with connecting flight or direct flight?

USER: I would like to fly in direct flight.

ASSISTANT: Are you comfortable with economy class flight or business class flight?

USER: I am comfortable to travel in any class.

ASSISTANT: Are you happy with any airline or do you prefer any specific airline for your journey?

USER: I am happy to travel in any airline.

ASSISTANT: Do you have any specific time preference at the time of take off and for your return journey?

USER: I am comfortable to travel in any time.

ASSISTANT: If you can help me with your name, I can check for the flights availability.

USER: Sure, my name is Elizabeth Parker.

ASSISTANT: It may take sometime, please bear with me for 2-3 minutes.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, Elizabeth Parker. Your patience is appreciated. Sorry, we are unable to find any flights which match your needs for the mentioned dates.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for reaching us. Have a great day!.