You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I want to reserve my ticket from PHL to IAD to visit Washington, can you please help me in booking?

ASSISTANT: Sure, I am here to do the need full for you.

USER: Thank you.

ASSISTANT: Can you please forward your trip dates as well so that I can check the availability?

USER: Sure, my preferable dates of journey are from Jul, 16 to Jul, 18.

ASSISTANT: Ok, how many connections do you need for this particular booking?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Will you be okay with an economy class or you need a business class?

USER: Not required.

ASSISTANT: Would you like to travel in major cost airlines or low cost will be fine?

USER: I want to travel in a major cost airline.

ASSISTANT: You are almost done, Can you please let me know your name?

USER: Sure, my name is Ashley Adams.

ASSISTANT: Ok, please allow me few minutes to check the availability of flights and revert you with an update.

USER: Sure, I will wait.

ASSISTANT: Thanks for being patient Ashley Adams, we deeply regret to inform you that there are no flights going on your way at this moment due to heavy snow fall at your destination.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you for opting us.