You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Jones here.

ASSISTANT: How can I help you Rachel today?

USER: Me and my friend were planned a trip to Los Angels. The ticket is confirmed for my friend but due to some technical issues my ticket is not yet confirmed, so can you reserve a flight ticket again to me?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Could you please provide your preferable airport code names?

USER: Sure, my nearest origin airport code is DCA and my destination airport code is LAX.

ASSISTANT: Can you please let me know your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 09/18 and please book my return ticket on 09/20.

ASSISTANT: Please wait a moment, I will check flight availability.

USER: Ok, take your time but please bring a best flight in our service.

ASSISTANT: I am happy to say that There is a direct flight available in this route, would you like travel in this flight?

USER: Sorry, I need a flight having single stop over, can you please check is there any flight available for me?

ASSISTANT: Sorry for the inconvenience no flights available in this route with single stopover.

USER: Oh! So sad to hear. Anyways, I will choose another alternative to go there. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Most welcome.