You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: I want to attend a Pagan festival celebrations at DFW, can you please reserve me a flight ticket from DCA?

ASSISTANT: Sure, we are mirthful to assist you in booking.

USER: Thank you.

ASSISTANT: Could you please let me know if you have any depart and return timings?

USER: Yes, I would like to depart and return in the evening time.

ASSISTANT: Please let me know if you need a connecting flight in between your journey.

USER: I prefer maximum number of one connection in between my journey.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: My planned travelling dates are from Aug 16th to Aug 18th.

ASSISTANT: To proceed further, can I have your name please?

USER: I am Rebecca Smith.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll search best flight for you.

USER: Sure, I'll wait.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.