You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Gonzalez.

ASSISTANT: How may I aid you today?

USER: I would like to book a ticket from IAH to IAD, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please provide your travelling dates?

USER: I am travelling on these dates July 1st and 3rd.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I prefer return time in the morning.

ASSISTANT: Do you have any connection limit?

USER: I need a single connected flight.

ASSISTANT: Please be on hold.

USER: Ok .

ASSISTANT: We regret to inform you that, there are no flights found on your route with your requested dates of travelling.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us, have a great day.