You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carol Martin here.

ASSISTANT: How may I help you today?

USER: I'm planning to visit SFO, can you please book a ticket from PHX?

ASSISTANT: Yes, I can help you to book a flight ticket with your desired locations. Can you please mention your travel dates?

USER: Sure, my planned departure and return travel dates are 11th and 13th of January.

ASSISTANT: Ok, do you have any preference related to departing and returning timings?

USER: Yes, I want to depart on the morning.

ASSISTANT: Ok, is there any other preferences to you?

USER: Yes, my connection limit is 1.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry to tell you that, there is no flight found  which is matching to your requirements.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: You are most welcome. Thank you for contacting us.