You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please check the flight availability in economy class?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Apr 10 and Apr 12.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Can I know your airport codes?

USER: I am heading to HOU from LAS.

ASSISTANT: May I know your name?

USER: My name is Rachel Collins.

ASSISTANT: We found a flight of delta airline, flight number 1008 with the fare of 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.