You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a ticket from HOU to DEN?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My trip dates are April 28 and April 30 respectively.

ASSISTANT: Do you have any other specifications?

USER: make sure that connection limit is 1.

ASSISTANT: Give me a moment.

USER:  can you please reserve the ticket in the name of Shirley Martinez.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.