You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Jennifer Phillips here. Actually, I am looking for a flight having single connection because my friend also booked the same flight that I want to travel, so can you please help me out with booking of a flight ticket from Boston on 12/13?

ASSISTANT: Jennifer Phillips, may I know your airport codes please?

USER: Sure, I will prefer BOS and DTW as my origin and destination airport codes respectively.

ASSISTANT: What will be your returning dates from this journey?

USER: I would like to return on 12/15.

ASSISTANT: Sorry, no flights are currently available. All the tickets are already booked for this route.

USER: Please recheck once again, I have an important client meeting there.

ASSISTANT: Sorry for the inconvenience, keep reaching us you your further bookings.

USER: Oh! Sad to hear that one from your side.

ASSISTANT: Thank you for choosing our services.

USER: Anyway, I will reach another airlines to complete my journey.

ASSISTANT: Have a nice day ahead.