You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Jessica Hernandez here, I want to reserve my ticket from HOU to PHL, can you please help me out?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: Sure, my preferable dates of journey are from Feb, 05 to Feb, 07.

ASSISTANT: Ok, do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: Yes, I need a return time at evening.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Welcome, have a nice day.