You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how mayI help you?

USER: I would like to visit Houston zoo with my friends, please help me in booking a ticket from OAK to HOU.

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to plan my journey on May 22 and return on May 24.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Janet Turner.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the afternoon.

ASSISTANT: We found direct flight from Hawaiian airline with price 100 and economy class and airline number is 1021 with arrival time is 23:00 hours and departure time is 5:00 hours, Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.