You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Nancy Davis.

ASSISTANT: How may I be of your service?

USER: I am planning to visit reading terminal market in Philadelphia, PA - PHL. Can you assist me to book a connecting flight?

ASSISTANT: Sure, we are here to assist you today. Kindly share your planned travelling dates to proceed further.

USER: I want to fly on 05/24 and recur on 05/26.

ASSISTANT: What price would you like to put on flight ticket?

USER: I can afford up to 1000.

ASSISTANT: May I know your source airport code?

USER: I want to start from Washington DC - DCA.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to heavy rains at your destination point.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for approaching us.