You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: Can you please help me in booking a ticket from EWR to HOU?

ASSISTANT: Sure, do you need any break in between the journey?

USER: Yes, I need single connection flight.

ASSISTANT: Ok, share your class preference.

USER: I need business class ticket.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are Apr 24 and Apr 26.

ASSISTANT: Ok, may I know your good name please?

USER: Myself Richard Thomas.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, fine thanks for your information.

ASSISTANT: Thank you for reaching us.