You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jack Rodriguez here.

ASSISTANT: What help are you seeking from our side?

USER: I want to reserve my ticket from IAH to LGA, can you please help me in this?

ASSISTANT: Jack Rodriguez, when are you planning your journey?

USER: Sure, my planned dates of journey are from May, 19 to May, 21.

ASSISTANT: May I know your arrival and departing time respectively?

USER: Yes, I need a depart time at morning.

ASSISTANT: Do you need a direct flight?

USER: No, I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: Not required.

ASSISTANT: May I know your class preference?

USER: I am ok with any class.

ASSISTANT: Flight-1023 is available for you. Can I book it?

USER: Ok, please book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us. Have a safe journey.