You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Please book a flight ticket from EWR to IAH?

ASSISTANT: Can you help me with your travelling dates?

USER: My journey dates are Mar 09 and Mar 11.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular timings to travel?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: I am Rebecca Roberts.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: There are no flights found with your required dates to travel.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.