You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book ticket from ORD to PHL. Could you book a ticket?

ASSISTANT: Sure, is there any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any more specifications?

USER: I prefer to depart in the morning time.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Travelling dates are from June, 29 to July, 1.

ASSISTANT: For booking purpose I required your name, can I know your name?

USER: My name is Frank King.

ASSISTANT: Sorry, there were no flights with your information due to having some bad weather conditions.

USER: Thank you.

ASSISTANT: Thank you for choosing us.