You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I would like to book a ticket from IAH to LAX.

ASSISTANT: Sure, May I know the travelling dates?

USER: Departure is by Mar, 24 and return date is Mar, 26.

ASSISTANT: Do you have any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Is there any other requirements?

USER: I would like to depart in the morning time.

ASSISTANT: May I know your name?

USER: My name is Rachel Miller.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Thanks.

ASSISTANT: Thank you for opting us.