You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you expect from our agency?

USER: I would like to visit Las Vegas to meet my mother, please help me in booking a ticket from SEA to LAS.

ASSISTANT: Sure, I am here to help you with the ticket booking. Could you please mention your journey dates?

USER: My planned journey dates are on  Apr 25 and Apr 27.

ASSISTANT: On which name do you want me to reserve the ticket?

USER: My name is Edward Robinson.

ASSISTANT: Please mention your connection limit for your journey.

USER: I need a connecting flight.

ASSISTANT: Please share your return and depart timings.

USER: I would like to depart in the morning and return in the evening.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry for the inconvenience, there are no flights found with the requirements you have mentioned.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Most welcome. Thank you for reaching us.