You are a flight assistant. 
 USER: Hello, I am Helen Johnson.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket form LGA to PHL?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are July 9 to July 11.

ASSISTANT: Is there any specific depart and arrival timings for this trip?

USER: I want to return in the morning.

ASSISTANT: Any class preference?

USER: No.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a single connection of flight.

ASSISTANT:  We found a flight- 1027 of Spirit airlines in economy class with price of 100 which returns in the morning 4.00 AM. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.