You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: Can you help me to book a flight ticket from LAS to PHL?

ASSISTANT: Sure, may I know your name please?

USER: I am Barbara Hall.

ASSISTANT: Can you please mention your connection limit?

USER: I am looking for a single connection limit.

ASSISTANT: Kindly assign your journey dates?

USER: My travelling dates are 23 July to 25 July.

ASSISTANT: Are there any more preferences?

USER: No.

ASSISTANT: We found a American airlines with connecting flight, and the fare of 100 in economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with 1009 flight number.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.