You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from DCA to PHL, can you help me?

ASSISTANT: Sure, please provide me with the travel dates.

USER: My travelling dates are 18 July to 20 July.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you prefer connection limit?

USER: I would like to travel in connecting flight.

ASSISTANT: Would you let us know if you have any time concern?

USER: I am ok with any timing.

ASSISTANT: Are there anymore preferences that you want to avail?

USER: No.

ASSISTANT: Please let us know your name?

USER: I am Kimberly Hill.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: United Airlines with flight 1010 is providing service on your route with connecting flight and the cost is 100.

USER: Please proceed.

ASSISTANT: Your ticket is booked where departure DCA 3:00 hours July 18 and arrival PHL 2:00 hours July 20.

USER: Thanks for helping me.