You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I am planning for a round trip with my friends at Washington, IAD.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: I will be your helping hand in reserving a seat to IAD.

USER: Thank you.

ASSISTANT: Please share your budget limit.

USER: Price should not cross 500.

ASSISTANT: Kindly provide the journey dates.

USER: My travelling dates are 03/22 and 03/24.

ASSISTANT: May I know your good name please?

USER: Lisa Taylor here.

ASSISTANT: Ok, Lisa Taylor, please wait a moment.

USER: Sure.

ASSISTANT: There is a Southwest airline with a connecting flight. Can I proceed to book with flight number 1014?

USER: Please carry on.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.